diff --git a/Modules/datetimemodule.c b/Modules/datetimemodule.c
index 7105c69..c81f6bb 100644
--- a/Modules/datetimemodule.c
+++ b/Modules/datetimemodule.c
@@ -27,7 +27,7 @@
  * final result fits in a C int (this can be an issue on 64-bit boxes).
  */
 #if SIZEOF_INT < 4
-#	error "datetime.c requires that C int have at least 32 bits"
+#       error "datetime.c requires that C int have at least 32 bits"
 #endif
 
 #define MINYEAR 1
@@ -41,59 +41,59 @@
 #define MAX_DELTA_DAYS 999999999
 
 /* Rename the long macros in datetime.h to more reasonable short names. */
-#define GET_YEAR		PyDateTime_GET_YEAR
-#define GET_MONTH		PyDateTime_GET_MONTH
-#define GET_DAY			PyDateTime_GET_DAY
-#define DATE_GET_HOUR		PyDateTime_DATE_GET_HOUR
-#define DATE_GET_MINUTE		PyDateTime_DATE_GET_MINUTE
-#define DATE_GET_SECOND		PyDateTime_DATE_GET_SECOND
-#define DATE_GET_MICROSECOND	PyDateTime_DATE_GET_MICROSECOND
+#define GET_YEAR                PyDateTime_GET_YEAR
+#define GET_MONTH               PyDateTime_GET_MONTH
+#define GET_DAY                 PyDateTime_GET_DAY
+#define DATE_GET_HOUR           PyDateTime_DATE_GET_HOUR
+#define DATE_GET_MINUTE         PyDateTime_DATE_GET_MINUTE
+#define DATE_GET_SECOND         PyDateTime_DATE_GET_SECOND
+#define DATE_GET_MICROSECOND    PyDateTime_DATE_GET_MICROSECOND
 
 /* Date accessors for date and datetime. */
-#define SET_YEAR(o, v)		(((o)->data[0] = ((v) & 0xff00) >> 8), \
-                                 ((o)->data[1] = ((v) & 0x00ff)))
-#define SET_MONTH(o, v)		(PyDateTime_GET_MONTH(o) = (v))
-#define SET_DAY(o, v)		(PyDateTime_GET_DAY(o) = (v))
+#define SET_YEAR(o, v)          (((o)->data[0] = ((v) & 0xff00) >> 8), \
+                 ((o)->data[1] = ((v) & 0x00ff)))
+#define SET_MONTH(o, v)         (PyDateTime_GET_MONTH(o) = (v))
+#define SET_DAY(o, v)           (PyDateTime_GET_DAY(o) = (v))
 
 /* Date/Time accessors for datetime. */
-#define DATE_SET_HOUR(o, v)	(PyDateTime_DATE_GET_HOUR(o) = (v))
-#define DATE_SET_MINUTE(o, v)	(PyDateTime_DATE_GET_MINUTE(o) = (v))
-#define DATE_SET_SECOND(o, v)	(PyDateTime_DATE_GET_SECOND(o) = (v))
-#define DATE_SET_MICROSECOND(o, v)	\
-	(((o)->data[7] = ((v) & 0xff0000) >> 16), \
-         ((o)->data[8] = ((v) & 0x00ff00) >> 8), \
-         ((o)->data[9] = ((v) & 0x0000ff)))
+#define DATE_SET_HOUR(o, v)     (PyDateTime_DATE_GET_HOUR(o) = (v))
+#define DATE_SET_MINUTE(o, v)   (PyDateTime_DATE_GET_MINUTE(o) = (v))
+#define DATE_SET_SECOND(o, v)   (PyDateTime_DATE_GET_SECOND(o) = (v))
+#define DATE_SET_MICROSECOND(o, v)      \
+    (((o)->data[7] = ((v) & 0xff0000) >> 16), \
+     ((o)->data[8] = ((v) & 0x00ff00) >> 8), \
+     ((o)->data[9] = ((v) & 0x0000ff)))
 
 /* Time accessors for time. */
-#define TIME_GET_HOUR		PyDateTime_TIME_GET_HOUR
-#define TIME_GET_MINUTE		PyDateTime_TIME_GET_MINUTE
-#define TIME_GET_SECOND		PyDateTime_TIME_GET_SECOND
-#define TIME_GET_MICROSECOND	PyDateTime_TIME_GET_MICROSECOND
-#define TIME_SET_HOUR(o, v)	(PyDateTime_TIME_GET_HOUR(o) = (v))
-#define TIME_SET_MINUTE(o, v)	(PyDateTime_TIME_GET_MINUTE(o) = (v))
-#define TIME_SET_SECOND(o, v)	(PyDateTime_TIME_GET_SECOND(o) = (v))
-#define TIME_SET_MICROSECOND(o, v)	\
-	(((o)->data[3] = ((v) & 0xff0000) >> 16), \
-         ((o)->data[4] = ((v) & 0x00ff00) >> 8), \
-         ((o)->data[5] = ((v) & 0x0000ff)))
+#define TIME_GET_HOUR           PyDateTime_TIME_GET_HOUR
+#define TIME_GET_MINUTE         PyDateTime_TIME_GET_MINUTE
+#define TIME_GET_SECOND         PyDateTime_TIME_GET_SECOND
+#define TIME_GET_MICROSECOND    PyDateTime_TIME_GET_MICROSECOND
+#define TIME_SET_HOUR(o, v)     (PyDateTime_TIME_GET_HOUR(o) = (v))
+#define TIME_SET_MINUTE(o, v)   (PyDateTime_TIME_GET_MINUTE(o) = (v))
+#define TIME_SET_SECOND(o, v)   (PyDateTime_TIME_GET_SECOND(o) = (v))
+#define TIME_SET_MICROSECOND(o, v)      \
+    (((o)->data[3] = ((v) & 0xff0000) >> 16), \
+     ((o)->data[4] = ((v) & 0x00ff00) >> 8), \
+     ((o)->data[5] = ((v) & 0x0000ff)))
 
 /* Delta accessors for timedelta. */
-#define GET_TD_DAYS(o)		(((PyDateTime_Delta *)(o))->days)
-#define GET_TD_SECONDS(o)	(((PyDateTime_Delta *)(o))->seconds)
-#define GET_TD_MICROSECONDS(o)	(((PyDateTime_Delta *)(o))->microseconds)
+#define GET_TD_DAYS(o)          (((PyDateTime_Delta *)(o))->days)
+#define GET_TD_SECONDS(o)       (((PyDateTime_Delta *)(o))->seconds)
+#define GET_TD_MICROSECONDS(o)  (((PyDateTime_Delta *)(o))->microseconds)
 
-#define SET_TD_DAYS(o, v)	((o)->days = (v))
-#define SET_TD_SECONDS(o, v)	((o)->seconds = (v))
+#define SET_TD_DAYS(o, v)       ((o)->days = (v))
+#define SET_TD_SECONDS(o, v)    ((o)->seconds = (v))
 #define SET_TD_MICROSECONDS(o, v) ((o)->microseconds = (v))
 
 /* p is a pointer to a time or a datetime object; HASTZINFO(p) returns
  * p->hastzinfo.
  */
-#define HASTZINFO(p)		(((_PyDateTime_BaseTZInfo *)(p))->hastzinfo)
+#define HASTZINFO(p)            (((_PyDateTime_BaseTZInfo *)(p))->hastzinfo)
 
 /* M is a char or int claiming to be a valid month.  The macro is equivalent
  * to the two-sided Python test
- *	1 <= M <= 12
+ *      1 <= M <= 12
  */
 #define MONTH_IS_SANE(M) ((unsigned int)(M) - 1 < 12)
 
@@ -113,7 +113,7 @@
  * iff (k^i)&(k^j) has sign bit set.
  */
 #define SIGNED_ADD_OVERFLOWED(RESULT, I, J) \
-	((((RESULT) ^ (I)) & ((RESULT) ^ (J))) < 0)
+    ((((RESULT) ^ (I)) & ((RESULT) ^ (J))) < 0)
 
 /* Compute Python divmod(x, y), returning the quotient and storing the
  * remainder into *r.  The quotient is the floor of x/y, and that's
@@ -127,17 +127,17 @@
 static int
 divmod(int x, int y, int *r)
 {
-	int quo;
+    int quo;
 
-	assert(y > 0);
-	quo = x / y;
-	*r = x - quo * y;
-	if (*r < 0) {
-		--quo;
-		*r += y;
-	}
-	assert(0 <= *r && *r < y);
-	return quo;
+    assert(y > 0);
+    quo = x / y;
+    *r = x - quo * y;
+    if (*r < 0) {
+        --quo;
+        *r += y;
+    }
+    assert(0 <= *r && *r < y);
+    return quo;
 }
 
 /* Round a double to the nearest long.  |x| must be small enough to fit
@@ -146,11 +146,11 @@
 static long
 round_to_long(double x)
 {
-	if (x >= 0.0)
-		x = floor(x + 0.5);
-	else
-		x = ceil(x - 0.5);
-	return (long)x;
+    if (x >= 0.0)
+        x = floor(x + 0.5);
+    else
+        x = ceil(x - 0.5);
+    return (long)x;
 }
 
 /* ---------------------------------------------------------------------------
@@ -162,52 +162,52 @@
  * are correct for non-leap years only.
  */
 static int _days_in_month[] = {
-	0, /* unused; this vector uses 1-based indexing */
-	31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
+    0, /* unused; this vector uses 1-based indexing */
+    31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
 };
 
 static int _days_before_month[] = {
-	0, /* unused; this vector uses 1-based indexing */
-	0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
+    0, /* unused; this vector uses 1-based indexing */
+    0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
 };
 
 /* year -> 1 if leap year, else 0. */
 static int
 is_leap(int year)
 {
-	/* Cast year to unsigned.  The result is the same either way, but
-	 * C can generate faster code for unsigned mod than for signed
-	 * mod (especially for % 4 -- a good compiler should just grab
-	 * the last 2 bits when the LHS is unsigned).
-	 */
-	const unsigned int ayear = (unsigned int)year;
-	return ayear % 4 == 0 && (ayear % 100 != 0 || ayear % 400 == 0);
+    /* Cast year to unsigned.  The result is the same either way, but
+     * C can generate faster code for unsigned mod than for signed
+     * mod (especially for % 4 -- a good compiler should just grab
+     * the last 2 bits when the LHS is unsigned).
+     */
+    const unsigned int ayear = (unsigned int)year;
+    return ayear % 4 == 0 && (ayear % 100 != 0 || ayear % 400 == 0);
 }
 
 /* year, month -> number of days in that month in that year */
 static int
 days_in_month(int year, int month)
 {
-	assert(month >= 1);
-	assert(month <= 12);
-	if (month == 2 && is_leap(year))
-		return 29;
-	else
-		return _days_in_month[month];
+    assert(month >= 1);
+    assert(month <= 12);
+    if (month == 2 && is_leap(year))
+        return 29;
+    else
+        return _days_in_month[month];
 }
 
 /* year, month -> number of days in year preceeding first day of month */
 static int
 days_before_month(int year, int month)
 {
-	int days;
+    int days;
 
-	assert(month >= 1);
-	assert(month <= 12);
-	days = _days_before_month[month];
-	if (month > 2 && is_leap(year))
-		++days;
-	return days;
+    assert(month >= 1);
+    assert(month <= 12);
+    days = _days_before_month[month];
+    if (month > 2 && is_leap(year))
+        ++days;
+    return days;
 }
 
 /* year -> number of days before January 1st of year.  Remember that we
@@ -216,124 +216,124 @@
 static int
 days_before_year(int year)
 {
-	int y = year - 1;
-	/* This is incorrect if year <= 0; we really want the floor
-	 * here.  But so long as MINYEAR is 1, the smallest year this
-	 * can see is 0 (this can happen in some normalization endcases),
-	 * so we'll just special-case that.
-	 */
-	assert (year >= 0);
-	if (y >= 0)
-		return y*365 + y/4 - y/100 + y/400;
-	else {
-		assert(y == -1);
-		return -366;
-	}
+    int y = year - 1;
+    /* This is incorrect if year <= 0; we really want the floor
+     * here.  But so long as MINYEAR is 1, the smallest year this
+     * can see is 0 (this can happen in some normalization endcases),
+     * so we'll just special-case that.
+     */
+    assert (year >= 0);
+    if (y >= 0)
+        return y*365 + y/4 - y/100 + y/400;
+    else {
+        assert(y == -1);
+        return -366;
+    }
 }
 
 /* Number of days in 4, 100, and 400 year cycles.  That these have
  * the correct values is asserted in the module init function.
  */
-#define DI4Y	1461	/* days_before_year(5); days in 4 years */
-#define DI100Y	36524	/* days_before_year(101); days in 100 years */
-#define DI400Y	146097	/* days_before_year(401); days in 400 years  */
+#define DI4Y    1461    /* days_before_year(5); days in 4 years */
+#define DI100Y  36524   /* days_before_year(101); days in 100 years */
+#define DI400Y  146097  /* days_before_year(401); days in 400 years  */
 
 /* ordinal -> year, month, day, considering 01-Jan-0001 as day 1. */
 static void
 ord_to_ymd(int ordinal, int *year, int *month, int *day)
 {
-	int n, n1, n4, n100, n400, leapyear, preceding;
+    int n, n1, n4, n100, n400, leapyear, preceding;
 
-	/* ordinal is a 1-based index, starting at 1-Jan-1.  The pattern of
-	 * leap years repeats exactly every 400 years.  The basic strategy is
-	 * to find the closest 400-year boundary at or before ordinal, then
-	 * work with the offset from that boundary to ordinal.  Life is much
-	 * clearer if we subtract 1 from ordinal first -- then the values
-	 * of ordinal at 400-year boundaries are exactly those divisible
-	 * by DI400Y:
-	 *
-	 *    D  M   Y            n              n-1
-	 *    -- --- ----        ----------     ----------------
-	 *    31 Dec -400        -DI400Y       -DI400Y -1
-	 *     1 Jan -399         -DI400Y +1   -DI400Y      400-year boundary
-	 *    ...
-	 *    30 Dec  000        -1             -2
-	 *    31 Dec  000         0             -1
-	 *     1 Jan  001         1              0          400-year boundary
-	 *     2 Jan  001         2              1
-	 *     3 Jan  001         3              2
-	 *    ...
-	 *    31 Dec  400         DI400Y        DI400Y -1
-	 *     1 Jan  401         DI400Y +1     DI400Y      400-year boundary
-	 */
-	assert(ordinal >= 1);
-	--ordinal;
-	n400 = ordinal / DI400Y;
-	n = ordinal % DI400Y;
-	*year = n400 * 400 + 1;
+    /* ordinal is a 1-based index, starting at 1-Jan-1.  The pattern of
+     * leap years repeats exactly every 400 years.  The basic strategy is
+     * to find the closest 400-year boundary at or before ordinal, then
+     * work with the offset from that boundary to ordinal.  Life is much
+     * clearer if we subtract 1 from ordinal first -- then the values
+     * of ordinal at 400-year boundaries are exactly those divisible
+     * by DI400Y:
+     *
+     *    D  M   Y            n              n-1
+     *    -- --- ----        ----------     ----------------
+     *    31 Dec -400        -DI400Y       -DI400Y -1
+     *     1 Jan -399         -DI400Y +1   -DI400Y      400-year boundary
+     *    ...
+     *    30 Dec  000        -1             -2
+     *    31 Dec  000         0             -1
+     *     1 Jan  001         1              0          400-year boundary
+     *     2 Jan  001         2              1
+     *     3 Jan  001         3              2
+     *    ...
+     *    31 Dec  400         DI400Y        DI400Y -1
+     *     1 Jan  401         DI400Y +1     DI400Y      400-year boundary
+     */
+    assert(ordinal >= 1);
+    --ordinal;
+    n400 = ordinal / DI400Y;
+    n = ordinal % DI400Y;
+    *year = n400 * 400 + 1;
 
-	/* Now n is the (non-negative) offset, in days, from January 1 of
-	 * year, to the desired date.  Now compute how many 100-year cycles
-	 * precede n.
-	 * Note that it's possible for n100 to equal 4!  In that case 4 full
-	 * 100-year cycles precede the desired day, which implies the
-	 * desired day is December 31 at the end of a 400-year cycle.
-	 */
-	n100 = n / DI100Y;
-	n = n % DI100Y;
+    /* Now n is the (non-negative) offset, in days, from January 1 of
+     * year, to the desired date.  Now compute how many 100-year cycles
+     * precede n.
+     * Note that it's possible for n100 to equal 4!  In that case 4 full
+     * 100-year cycles precede the desired day, which implies the
+     * desired day is December 31 at the end of a 400-year cycle.
+     */
+    n100 = n / DI100Y;
+    n = n % DI100Y;
 
-	/* Now compute how many 4-year cycles precede it. */
-	n4 = n / DI4Y;
-	n = n % DI4Y;
+    /* Now compute how many 4-year cycles precede it. */
+    n4 = n / DI4Y;
+    n = n % DI4Y;
 
-	/* And now how many single years.  Again n1 can be 4, and again
-	 * meaning that the desired day is December 31 at the end of the
-	 * 4-year cycle.
-	 */
-	n1 = n / 365;
-	n = n % 365;
+    /* And now how many single years.  Again n1 can be 4, and again
+     * meaning that the desired day is December 31 at the end of the
+     * 4-year cycle.
+     */
+    n1 = n / 365;
+    n = n % 365;
 
-	*year += n100 * 100 + n4 * 4 + n1;
-	if (n1 == 4 || n100 == 4) {
-		assert(n == 0);
-		*year -= 1;
-		*month = 12;
-		*day = 31;
-		return;
-	}
+    *year += n100 * 100 + n4 * 4 + n1;
+    if (n1 == 4 || n100 == 4) {
+        assert(n == 0);
+        *year -= 1;
+        *month = 12;
+        *day = 31;
+        return;
+    }
 
-	/* Now the year is correct, and n is the offset from January 1.  We
-	 * find the month via an estimate that's either exact or one too
-	 * large.
-	 */
-	leapyear = n1 == 3 && (n4 != 24 || n100 == 3);
-	assert(leapyear == is_leap(*year));
-	*month = (n + 50) >> 5;
-	preceding = (_days_before_month[*month] + (*month > 2 && leapyear));
-	if (preceding > n) {
-		/* estimate is too large */
-		*month -= 1;
-		preceding -= days_in_month(*year, *month);
-	}
-	n -= preceding;
-	assert(0 <= n);
-	assert(n < days_in_month(*year, *month));
+    /* Now the year is correct, and n is the offset from January 1.  We
+     * find the month via an estimate that's either exact or one too
+     * large.
+     */
+    leapyear = n1 == 3 && (n4 != 24 || n100 == 3);
+    assert(leapyear == is_leap(*year));
+    *month = (n + 50) >> 5;
+    preceding = (_days_before_month[*month] + (*month > 2 && leapyear));
+    if (preceding > n) {
+        /* estimate is too large */
+        *month -= 1;
+        preceding -= days_in_month(*year, *month);
+    }
+    n -= preceding;
+    assert(0 <= n);
+    assert(n < days_in_month(*year, *month));
 
-	*day = n + 1;
+    *day = n + 1;
 }
 
 /* year, month, day -> ordinal, considering 01-Jan-0001 as day 1. */
 static int
 ymd_to_ord(int year, int month, int day)
 {
-	return days_before_year(year) + days_before_month(year, month) + day;
+    return days_before_year(year) + days_before_month(year, month) + day;
 }
 
 /* Day of week, where Monday==0, ..., Sunday==6.  1/1/1 was a Monday. */
 static int
 weekday(int year, int month, int day)
 {
-	return (ymd_to_ord(year, month, day) + 6) % 7;
+    return (ymd_to_ord(year, month, day) + 6) % 7;
 }
 
 /* Ordinal of the Monday starting week 1 of the ISO year.  Week 1 is the
@@ -342,15 +342,15 @@
 static int
 iso_week1_monday(int year)
 {
-	int first_day = ymd_to_ord(year, 1, 1);	/* ord of 1/1 */
-	/* 0 if 1/1 is a Monday, 1 if a Tue, etc. */
-	int first_weekday = (first_day + 6) % 7;
-	/* ordinal of closest Monday at or before 1/1 */
-	int week1_monday  = first_day - first_weekday;
+    int first_day = ymd_to_ord(year, 1, 1);     /* ord of 1/1 */
+    /* 0 if 1/1 is a Monday, 1 if a Tue, etc. */
+    int first_weekday = (first_day + 6) % 7;
+    /* ordinal of closest Monday at or before 1/1 */
+    int week1_monday  = first_day - first_weekday;
 
-	if (first_weekday > 3)	/* if 1/1 was Fri, Sat, Sun */
-		week1_monday += 7;
-	return week1_monday;
+    if (first_weekday > 3)      /* if 1/1 was Fri, Sat, Sun */
+        week1_monday += 7;
+    return week1_monday;
 }
 
 /* ---------------------------------------------------------------------------
@@ -363,12 +363,12 @@
 static int
 check_delta_day_range(int days)
 {
-	if (-MAX_DELTA_DAYS <= days && days <= MAX_DELTA_DAYS)
-		return 0;
-	PyErr_Format(PyExc_OverflowError,
-		     "days=%d; must have magnitude <= %d",
-		     days, MAX_DELTA_DAYS);
-	return -1;
+    if (-MAX_DELTA_DAYS <= days && days <= MAX_DELTA_DAYS)
+        return 0;
+    PyErr_Format(PyExc_OverflowError,
+                 "days=%d; must have magnitude <= %d",
+                 days, MAX_DELTA_DAYS);
+    return -1;
 }
 
 /* Check that date arguments are in range.  Return 0 if they are.  If they
@@ -378,22 +378,22 @@
 check_date_args(int year, int month, int day)
 {
 
-	if (year < MINYEAR || year > MAXYEAR) {
-		PyErr_SetString(PyExc_ValueError,
-				"year is out of range");
-		return -1;
-	}
-	if (month < 1 || month > 12) {
-		PyErr_SetString(PyExc_ValueError,
-				"month must be in 1..12");
-		return -1;
-	}
-	if (day < 1 || day > days_in_month(year, month)) {
-		PyErr_SetString(PyExc_ValueError,
-				"day is out of range for month");
-		return -1;
-	}
-	return 0;
+    if (year < MINYEAR || year > MAXYEAR) {
+        PyErr_SetString(PyExc_ValueError,
+                        "year is out of range");
+        return -1;
+    }
+    if (month < 1 || month > 12) {
+        PyErr_SetString(PyExc_ValueError,
+                        "month must be in 1..12");
+        return -1;
+    }
+    if (day < 1 || day > days_in_month(year, month)) {
+        PyErr_SetString(PyExc_ValueError,
+                        "day is out of range for month");
+        return -1;
+    }
+    return 0;
 }
 
 /* Check that time arguments are in range.  Return 0 if they are.  If they
@@ -402,27 +402,27 @@
 static int
 check_time_args(int h, int m, int s, int us)
 {
-	if (h < 0 || h > 23) {
-		PyErr_SetString(PyExc_ValueError,
-				"hour must be in 0..23");
-		return -1;
-	}
-	if (m < 0 || m > 59) {
-		PyErr_SetString(PyExc_ValueError,
-				"minute must be in 0..59");
-		return -1;
-	}
-	if (s < 0 || s > 59) {
-		PyErr_SetString(PyExc_ValueError,
-				"second must be in 0..59");
-		return -1;
-	}
-	if (us < 0 || us > 999999) {
-		PyErr_SetString(PyExc_ValueError,
-				"microsecond must be in 0..999999");
-		return -1;
-	}
-	return 0;
+    if (h < 0 || h > 23) {
+        PyErr_SetString(PyExc_ValueError,
+                        "hour must be in 0..23");
+        return -1;
+    }
+    if (m < 0 || m > 59) {
+        PyErr_SetString(PyExc_ValueError,
+                        "minute must be in 0..59");
+        return -1;
+    }
+    if (s < 0 || s > 59) {
+        PyErr_SetString(PyExc_ValueError,
+                        "second must be in 0..59");
+        return -1;
+    }
+    if (us < 0 || us > 999999) {
+        PyErr_SetString(PyExc_ValueError,
+                        "microsecond must be in 0..999999");
+        return -1;
+    }
+    return 0;
 }
 
 /* ---------------------------------------------------------------------------
@@ -438,109 +438,109 @@
 static void
 normalize_pair(int *hi, int *lo, int factor)
 {
-	assert(factor > 0);
-	assert(lo != hi);
-	if (*lo < 0 || *lo >= factor) {
-		const int num_hi = divmod(*lo, factor, lo);
-		const int new_hi = *hi + num_hi;
-		assert(! SIGNED_ADD_OVERFLOWED(new_hi, *hi, num_hi));
-		*hi = new_hi;
-	}
-	assert(0 <= *lo && *lo < factor);
+    assert(factor > 0);
+    assert(lo != hi);
+    if (*lo < 0 || *lo >= factor) {
+        const int num_hi = divmod(*lo, factor, lo);
+        const int new_hi = *hi + num_hi;
+        assert(! SIGNED_ADD_OVERFLOWED(new_hi, *hi, num_hi));
+        *hi = new_hi;
+    }
+    assert(0 <= *lo && *lo < factor);
 }
 
 /* Fiddle days (d), seconds (s), and microseconds (us) so that
- * 	0 <= *s < 24*3600
- * 	0 <= *us < 1000000
+ *      0 <= *s < 24*3600
+ *      0 <= *us < 1000000
  * The input values must be such that the internals don't overflow.
  * The way this routine is used, we don't get close.
  */
 static void
 normalize_d_s_us(int *d, int *s, int *us)
 {
-	if (*us < 0 || *us >= 1000000) {
-		normalize_pair(s, us, 1000000);
-		/* |s| can't be bigger than about
-		 * |original s| + |original us|/1000000 now.
-		 */
+    if (*us < 0 || *us >= 1000000) {
+        normalize_pair(s, us, 1000000);
+        /* |s| can't be bigger than about
+         * |original s| + |original us|/1000000 now.
+         */
 
-	}
-	if (*s < 0 || *s >= 24*3600) {
-		normalize_pair(d, s, 24*3600);
-		/* |d| can't be bigger than about
-		 * |original d| +
-		 * (|original s| + |original us|/1000000) / (24*3600) now.
-		 */
-	}
-	assert(0 <= *s && *s < 24*3600);
-	assert(0 <= *us && *us < 1000000);
+    }
+    if (*s < 0 || *s >= 24*3600) {
+        normalize_pair(d, s, 24*3600);
+        /* |d| can't be bigger than about
+         * |original d| +
+         * (|original s| + |original us|/1000000) / (24*3600) now.
+         */
+    }
+    assert(0 <= *s && *s < 24*3600);
+    assert(0 <= *us && *us < 1000000);
 }
 
 /* Fiddle years (y), months (m), and days (d) so that
- * 	1 <= *m <= 12
- * 	1 <= *d <= days_in_month(*y, *m)
+ *      1 <= *m <= 12
+ *      1 <= *d <= days_in_month(*y, *m)
  * The input values must be such that the internals don't overflow.
  * The way this routine is used, we don't get close.
  */
 static void
 normalize_y_m_d(int *y, int *m, int *d)
 {
-	int dim;	/* # of days in month */
+    int dim;            /* # of days in month */
 
-	/* This gets muddy:  the proper range for day can't be determined
-	 * without knowing the correct month and year, but if day is, e.g.,
-	 * plus or minus a million, the current month and year values make
-	 * no sense (and may also be out of bounds themselves).
-	 * Saying 12 months == 1 year should be non-controversial.
-	 */
-	if (*m < 1 || *m > 12) {
-		--*m;
-		normalize_pair(y, m, 12);
-		++*m;
-		/* |y| can't be bigger than about
-		 * |original y| + |original m|/12 now.
-		 */
-	}
-	assert(1 <= *m && *m <= 12);
+    /* This gets muddy:  the proper range for day can't be determined
+     * without knowing the correct month and year, but if day is, e.g.,
+     * plus or minus a million, the current month and year values make
+     * no sense (and may also be out of bounds themselves).
+     * Saying 12 months == 1 year should be non-controversial.
+     */
+    if (*m < 1 || *m > 12) {
+        --*m;
+        normalize_pair(y, m, 12);
+        ++*m;
+        /* |y| can't be bigger than about
+         * |original y| + |original m|/12 now.
+         */
+    }
+    assert(1 <= *m && *m <= 12);
 
-	/* Now only day can be out of bounds (year may also be out of bounds
-	 * for a datetime object, but we don't care about that here).
-	 * If day is out of bounds, what to do is arguable, but at least the
-	 * method here is principled and explainable.
-	 */
-	dim = days_in_month(*y, *m);
-	if (*d < 1 || *d > dim) {
-		/* Move day-1 days from the first of the month.  First try to
-		 * get off cheap if we're only one day out of range
-		 * (adjustments for timezone alone can't be worse than that).
-		 */
-		if (*d == 0) {
-			--*m;
-			if (*m > 0)
-				*d = days_in_month(*y, *m);
-			else {
-				--*y;
-				*m = 12;
-				*d = 31;
-			}
-		}
-		else if (*d == dim + 1) {
-			/* move forward a day */
-			++*m;
-			*d = 1;
-			if (*m > 12) {
-				*m = 1;
-				++*y;
-			}
-		}
-		else {
-			int ordinal = ymd_to_ord(*y, *m, 1) +
-						  *d - 1;
-			ord_to_ymd(ordinal, y, m, d);
-		}
-	}
-	assert(*m > 0);
-	assert(*d > 0);
+    /* Now only day can be out of bounds (year may also be out of bounds
+     * for a datetime object, but we don't care about that here).
+     * If day is out of bounds, what to do is arguable, but at least the
+     * method here is principled and explainable.
+     */
+    dim = days_in_month(*y, *m);
+    if (*d < 1 || *d > dim) {
+        /* Move day-1 days from the first of the month.  First try to
+         * get off cheap if we're only one day out of range
+         * (adjustments for timezone alone can't be worse than that).
+         */
+        if (*d == 0) {
+            --*m;
+            if (*m > 0)
+                *d = days_in_month(*y, *m);
+            else {
+                --*y;
+                *m = 12;
+                *d = 31;
+            }
+        }
+        else if (*d == dim + 1) {
+            /* move forward a day */
+            ++*m;
+            *d = 1;
+            if (*m > 12) {
+                *m = 1;
+                ++*y;
+            }
+        }
+        else {
+            int ordinal = ymd_to_ord(*y, *m, 1) +
+                                      *d - 1;
+            ord_to_ymd(ordinal, y, m, d);
+        }
+    }
+    assert(*m > 0);
+    assert(*d > 0);
 }
 
 /* Fiddle out-of-bounds months and days so that the result makes some kind
@@ -550,17 +550,17 @@
 static int
 normalize_date(int *year, int *month, int *day)
 {
-	int result;
+    int result;
 
-	normalize_y_m_d(year, month, day);
-	if (MINYEAR <= *year && *year <= MAXYEAR)
-		result = 0;
-	else {
-		PyErr_SetString(PyExc_OverflowError,
-				"date value out of range");
-		result = -1;
-	}
-	return result;
+    normalize_y_m_d(year, month, day);
+    if (MINYEAR <= *year && *year <= MAXYEAR)
+        result = 0;
+    else {
+        PyErr_SetString(PyExc_OverflowError,
+                        "date value out of range");
+        result = -1;
+    }
+    return result;
 }
 
 /* Force all the datetime fields into range.  The parameters are both
@@ -571,11 +571,11 @@
                    int *hour, int *minute, int *second,
                    int *microsecond)
 {
-	normalize_pair(second, microsecond, 1000000);
-	normalize_pair(minute, second, 60);
-	normalize_pair(hour, minute, 60);
-	normalize_pair(day, hour, 24);
-	return normalize_date(year, month, day);
+    normalize_pair(second, microsecond, 1000000);
+    normalize_pair(minute, second, 60);
+    normalize_pair(hour, minute, 60);
+    normalize_pair(day, hour, 24);
+    return normalize_date(year, month, day);
 }
 
 /* ---------------------------------------------------------------------------
@@ -602,31 +602,31 @@
 static PyObject *
 time_alloc(PyTypeObject *type, Py_ssize_t aware)
 {
-	PyObject *self;
+    PyObject *self;
 
-	self = (PyObject *)
-		PyObject_MALLOC(aware ?
-				sizeof(PyDateTime_Time) :
-				sizeof(_PyDateTime_BaseTime));
-	if (self == NULL)
-		return (PyObject *)PyErr_NoMemory();
-	PyObject_INIT(self, type);
-	return self;
+    self = (PyObject *)
+        PyObject_MALLOC(aware ?
+                        sizeof(PyDateTime_Time) :
+                sizeof(_PyDateTime_BaseTime));
+    if (self == NULL)
+        return (PyObject *)PyErr_NoMemory();
+    PyObject_INIT(self, type);
+    return self;
 }
 
 static PyObject *
 datetime_alloc(PyTypeObject *type, Py_ssize_t aware)
 {
-	PyObject *self;
+    PyObject *self;
 
-	self = (PyObject *)
-		PyObject_MALLOC(aware ?
-				sizeof(PyDateTime_DateTime) :
-				sizeof(_PyDateTime_BaseDateTime));
-	if (self == NULL)
-		return (PyObject *)PyErr_NoMemory();
-	PyObject_INIT(self, type);
-	return self;
+    self = (PyObject *)
+        PyObject_MALLOC(aware ?
+                        sizeof(PyDateTime_DateTime) :
+                sizeof(_PyDateTime_BaseDateTime));
+    if (self == NULL)
+        return (PyObject *)PyErr_NoMemory();
+    PyObject_INIT(self, type);
+    return self;
 }
 
 /* ---------------------------------------------------------------------------
@@ -638,10 +638,10 @@
 static void
 set_date_fields(PyDateTime_Date *self, int y, int m, int d)
 {
-	self->hashcode = -1;
-	SET_YEAR(self, y);
-	SET_MONTH(self, m);
-	SET_DAY(self, d);
+    self->hashcode = -1;
+    SET_YEAR(self, y);
+    SET_MONTH(self, m);
+    SET_DAY(self, d);
 }
 
 /* ---------------------------------------------------------------------------
@@ -652,71 +652,71 @@
 static PyObject *
 new_date_ex(int year, int month, int day, PyTypeObject *type)
 {
-	PyDateTime_Date *self;
+    PyDateTime_Date *self;
 
-	self = (PyDateTime_Date *) (type->tp_alloc(type, 0));
-	if (self != NULL)
-		set_date_fields(self, year, month, day);
-	return (PyObject *) self;
+    self = (PyDateTime_Date *) (type->tp_alloc(type, 0));
+    if (self != NULL)
+        set_date_fields(self, year, month, day);
+    return (PyObject *) self;
 }
 
 #define new_date(year, month, day) \
-	new_date_ex(year, month, day, &PyDateTime_DateType)
+    new_date_ex(year, month, day, &PyDateTime_DateType)
 
 /* Create a datetime instance with no range checking. */
 static PyObject *
 new_datetime_ex(int year, int month, int day, int hour, int minute,
-	     int second, int usecond, PyObject *tzinfo, PyTypeObject *type)
+             int second, int usecond, PyObject *tzinfo, PyTypeObject *type)
 {
-	PyDateTime_DateTime *self;
-	char aware = tzinfo != Py_None;
+    PyDateTime_DateTime *self;
+    char aware = tzinfo != Py_None;
 
-	self = (PyDateTime_DateTime *) (type->tp_alloc(type, aware));
-	if (self != NULL) {
-		self->hastzinfo = aware;
-		set_date_fields((PyDateTime_Date *)self, year, month, day);
-		DATE_SET_HOUR(self, hour);
-		DATE_SET_MINUTE(self, minute);
-		DATE_SET_SECOND(self, second);
-		DATE_SET_MICROSECOND(self, usecond);
-		if (aware) {
-			Py_INCREF(tzinfo);
-			self->tzinfo = tzinfo;
-		}
-	}
-	return (PyObject *)self;
+    self = (PyDateTime_DateTime *) (type->tp_alloc(type, aware));
+    if (self != NULL) {
+        self->hastzinfo = aware;
+        set_date_fields((PyDateTime_Date *)self, year, month, day);
+        DATE_SET_HOUR(self, hour);
+        DATE_SET_MINUTE(self, minute);
+        DATE_SET_SECOND(self, second);
+        DATE_SET_MICROSECOND(self, usecond);
+        if (aware) {
+            Py_INCREF(tzinfo);
+            self->tzinfo = tzinfo;
+        }
+    }
+    return (PyObject *)self;
 }
 
-#define new_datetime(y, m, d, hh, mm, ss, us, tzinfo)		\
-	new_datetime_ex(y, m, d, hh, mm, ss, us, tzinfo,	\
-			&PyDateTime_DateTimeType)
+#define new_datetime(y, m, d, hh, mm, ss, us, tzinfo)           \
+    new_datetime_ex(y, m, d, hh, mm, ss, us, tzinfo,            \
+                    &PyDateTime_DateTimeType)
 
 /* Create a time instance with no range checking. */
 static PyObject *
 new_time_ex(int hour, int minute, int second, int usecond,
-	    PyObject *tzinfo, PyTypeObject *type)
+            PyObject *tzinfo, PyTypeObject *type)
 {
-	PyDateTime_Time *self;
-	char aware = tzinfo != Py_None;
+    PyDateTime_Time *self;
+    char aware = tzinfo != Py_None;
 
-	self = (PyDateTime_Time *) (type->tp_alloc(type, aware));
-	if (self != NULL) {
-		self->hastzinfo = aware;
-		self->hashcode = -1;
-		TIME_SET_HOUR(self, hour);
-		TIME_SET_MINUTE(self, minute);
-		TIME_SET_SECOND(self, second);
-		TIME_SET_MICROSECOND(self, usecond);
-		if (aware) {
-			Py_INCREF(tzinfo);
-			self->tzinfo = tzinfo;
-		}
-	}
-	return (PyObject *)self;
+    self = (PyDateTime_Time *) (type->tp_alloc(type, aware));
+    if (self != NULL) {
+        self->hastzinfo = aware;
+        self->hashcode = -1;
+        TIME_SET_HOUR(self, hour);
+        TIME_SET_MINUTE(self, minute);
+        TIME_SET_SECOND(self, second);
+        TIME_SET_MICROSECOND(self, usecond);
+        if (aware) {
+            Py_INCREF(tzinfo);
+            self->tzinfo = tzinfo;
+        }
+    }
+    return (PyObject *)self;
 }
 
-#define new_time(hh, mm, ss, us, tzinfo)		\
-	new_time_ex(hh, mm, ss, us, tzinfo, &PyDateTime_TimeType)
+#define new_time(hh, mm, ss, us, tzinfo)                \
+    new_time_ex(hh, mm, ss, us, tzinfo, &PyDateTime_TimeType)
 
 /* Create a timedelta instance.  Normalize the members iff normalize is
  * true.  Passing false is a speed optimization, if you know for sure
@@ -726,30 +726,30 @@
  */
 static PyObject *
 new_delta_ex(int days, int seconds, int microseconds, int normalize,
-	     PyTypeObject *type)
+             PyTypeObject *type)
 {
-	PyDateTime_Delta *self;
+    PyDateTime_Delta *self;
 
-	if (normalize)
-		normalize_d_s_us(&days, &seconds, &microseconds);
-	assert(0 <= seconds && seconds < 24*3600);
-	assert(0 <= microseconds && microseconds < 1000000);
+    if (normalize)
+        normalize_d_s_us(&days, &seconds, &microseconds);
+    assert(0 <= seconds && seconds < 24*3600);
+    assert(0 <= microseconds && microseconds < 1000000);
 
- 	if (check_delta_day_range(days) < 0)
- 		return NULL;
+    if (check_delta_day_range(days) < 0)
+        return NULL;
 
-	self = (PyDateTime_Delta *) (type->tp_alloc(type, 0));
-	if (self != NULL) {
-		self->hashcode = -1;
-		SET_TD_DAYS(self, days);
-		SET_TD_SECONDS(self, seconds);
-		SET_TD_MICROSECONDS(self, microseconds);
-	}
-	return (PyObject *) self;
+    self = (PyDateTime_Delta *) (type->tp_alloc(type, 0));
+    if (self != NULL) {
+        self->hashcode = -1;
+        SET_TD_DAYS(self, days);
+        SET_TD_SECONDS(self, seconds);
+        SET_TD_MICROSECONDS(self, microseconds);
+    }
+    return (PyObject *) self;
 }
 
-#define new_delta(d, s, us, normalize)	\
-	new_delta_ex(d, s, us, normalize, &PyDateTime_DeltaType)
+#define new_delta(d, s, us, normalize)  \
+    new_delta_ex(d, s, us, normalize, &PyDateTime_DeltaType)
 
 /* ---------------------------------------------------------------------------
  * tzinfo helpers.
@@ -761,13 +761,13 @@
 static int
 check_tzinfo_subclass(PyObject *p)
 {
-	if (p == Py_None || PyTZInfo_Check(p))
-		return 0;
-	PyErr_Format(PyExc_TypeError,
-		     "tzinfo argument must be None or of a tzinfo subclass, "
-		     "not type '%s'",
-		     Py_TYPE(p)->tp_name);
-	return -1;
+    if (p == Py_None || PyTZInfo_Check(p))
+        return 0;
+    PyErr_Format(PyExc_TypeError,
+                 "tzinfo argument must be None or of a tzinfo subclass, "
+                 "not type '%s'",
+                 Py_TYPE(p)->tp_name);
+    return -1;
 }
 
 /* Return tzinfo.methname(tzinfoarg), without any checking of results.
@@ -776,17 +776,17 @@
 static PyObject *
 call_tzinfo_method(PyObject *tzinfo, char *methname, PyObject *tzinfoarg)
 {
-	PyObject *result;
+    PyObject *result;
 
-	assert(tzinfo && methname && tzinfoarg);
-	assert(check_tzinfo_subclass(tzinfo) >= 0);
-	if (tzinfo == Py_None) {
-		result = Py_None;
-		Py_INCREF(result);
-	}
-	else
-		result = PyObject_CallMethod(tzinfo, methname, "O", tzinfoarg);
-	return result;
+    assert(tzinfo && methname && tzinfoarg);
+    assert(check_tzinfo_subclass(tzinfo) >= 0);
+    if (tzinfo == Py_None) {
+        result = Py_None;
+        Py_INCREF(result);
+    }
+    else
+        result = PyObject_CallMethod(tzinfo, methname, "O", tzinfoarg);
+    return result;
 }
 
 /* If self has a tzinfo member, return a BORROWED reference to it.  Else
@@ -796,14 +796,14 @@
 static PyObject *
 get_tzinfo_member(PyObject *self)
 {
-	PyObject *tzinfo = NULL;
+    PyObject *tzinfo = NULL;
 
-	if (PyDateTime_Check(self) && HASTZINFO(self))
-		tzinfo = ((PyDateTime_DateTime *)self)->tzinfo;
-	else if (PyTime_Check(self) && HASTZINFO(self))
-		tzinfo = ((PyDateTime_Time *)self)->tzinfo;
+    if (PyDateTime_Check(self) && HASTZINFO(self))
+        tzinfo = ((PyDateTime_DateTime *)self)->tzinfo;
+    else if (PyTime_Check(self) && HASTZINFO(self))
+        tzinfo = ((PyDateTime_Time *)self)->tzinfo;
 
-	return tzinfo;
+    return tzinfo;
 }
 
 /* Call getattr(tzinfo, name)(tzinfoarg), and extract an int from the
@@ -816,59 +816,59 @@
  */
 static int
 call_utc_tzinfo_method(PyObject *tzinfo, char *name, PyObject *tzinfoarg,
-		       int *none)
+                       int *none)
 {
-	PyObject *u;
-	int result = -1;
+    PyObject *u;
+    int result = -1;
 
-	assert(tzinfo != NULL);
-	assert(PyTZInfo_Check(tzinfo));
-	assert(tzinfoarg != NULL);
+    assert(tzinfo != NULL);
+    assert(PyTZInfo_Check(tzinfo));
+    assert(tzinfoarg != NULL);
 
-	*none = 0;
-	u = call_tzinfo_method(tzinfo, name, tzinfoarg);
-	if (u == NULL)
-		return -1;
+    *none = 0;
+    u = call_tzinfo_method(tzinfo, name, tzinfoarg);
+    if (u == NULL)
+        return -1;
 
-	else if (u == Py_None) {
-		result = 0;
-		*none = 1;
-	}
-	else if (PyDelta_Check(u)) {
-		const int days = GET_TD_DAYS(u);
-		if (days < -1 || days > 0)
-			result = 24*60;	/* trigger ValueError below */
-		else {
-			/* next line can't overflow because we know days
-			 * is -1 or 0 now
-			 */
-			int ss = days * 24 * 3600 + GET_TD_SECONDS(u);
-			result = divmod(ss, 60, &ss);
-			if (ss || GET_TD_MICROSECONDS(u)) {
-				PyErr_Format(PyExc_ValueError,
-					     "tzinfo.%s() must return a "
-					     "whole number of minutes",
-					     name);
-				result = -1;
-			}
-		}
-	}
-	else {
-		PyErr_Format(PyExc_TypeError,
-			     "tzinfo.%s() must return None or "
-			     "timedelta, not '%s'",
-			     name, Py_TYPE(u)->tp_name);
-	}
+    else if (u == Py_None) {
+        result = 0;
+        *none = 1;
+    }
+    else if (PyDelta_Check(u)) {
+        const int days = GET_TD_DAYS(u);
+        if (days < -1 || days > 0)
+            result = 24*60;             /* trigger ValueError below */
+        else {
+            /* next line can't overflow because we know days
+             * is -1 or 0 now
+             */
+            int ss = days * 24 * 3600 + GET_TD_SECONDS(u);
+            result = divmod(ss, 60, &ss);
+            if (ss || GET_TD_MICROSECONDS(u)) {
+                PyErr_Format(PyExc_ValueError,
+                             "tzinfo.%s() must return a "
+                             "whole number of minutes",
+                             name);
+                result = -1;
+            }
+        }
+    }
+    else {
+        PyErr_Format(PyExc_TypeError,
+                     "tzinfo.%s() must return None or "
+                     "timedelta, not '%s'",
+                     name, Py_TYPE(u)->tp_name);
+    }
 
-	Py_DECREF(u);
-	if (result < -1439 || result > 1439) {
-		PyErr_Format(PyExc_ValueError,
-			     "tzinfo.%s() returned %d; must be in "
-			     "-1439 .. 1439",
-			     name, result);
-		result = -1;
-	}
-	return result;
+    Py_DECREF(u);
+    if (result < -1439 || result > 1439) {
+        PyErr_Format(PyExc_ValueError,
+                     "tzinfo.%s() returned %d; must be in "
+                     "-1439 .. 1439",
+                     name, result);
+        result = -1;
+    }
+    return result;
 }
 
 /* Call tzinfo.utcoffset(tzinfoarg), and extract an integer from the
@@ -882,34 +882,34 @@
 static int
 call_utcoffset(PyObject *tzinfo, PyObject *tzinfoarg, int *none)
 {
-	return call_utc_tzinfo_method(tzinfo, "utcoffset", tzinfoarg, none);
+    return call_utc_tzinfo_method(tzinfo, "utcoffset", tzinfoarg, none);
 }
 
 /* Call tzinfo.name(tzinfoarg), and return the offset as a timedelta or None.
  */
 static PyObject *
 offset_as_timedelta(PyObject *tzinfo, char *name, PyObject *tzinfoarg) {
-	PyObject *result;
+    PyObject *result;
 
-	assert(tzinfo && name && tzinfoarg);
-	if (tzinfo == Py_None) {
-		result = Py_None;
-		Py_INCREF(result);
-	}
-	else {
-		int none;
-		int offset = call_utc_tzinfo_method(tzinfo, name, tzinfoarg,
-						    &none);
-		if (offset < 0 && PyErr_Occurred())
-			return NULL;
-		if (none) {
-			result = Py_None;
-			Py_INCREF(result);
-		}
-		else
-			result = new_delta(0, offset * 60, 0, 1);
-	}
-	return result;
+    assert(tzinfo && name && tzinfoarg);
+    if (tzinfo == Py_None) {
+        result = Py_None;
+        Py_INCREF(result);
+    }
+    else {
+        int none;
+        int offset = call_utc_tzinfo_method(tzinfo, name, tzinfoarg,
+                                            &none);
+        if (offset < 0 && PyErr_Occurred())
+            return NULL;
+        if (none) {
+            result = Py_None;
+            Py_INCREF(result);
+        }
+        else
+            result = new_delta(0, offset * 60, 0, 1);
+    }
+    return result;
 }
 
 /* Call tzinfo.dst(tzinfoarg), and extract an integer from the
@@ -923,7 +923,7 @@
 static int
 call_dst(PyObject *tzinfo, PyObject *tzinfoarg, int *none)
 {
-	return call_utc_tzinfo_method(tzinfo, "dst", tzinfoarg, none);
+    return call_utc_tzinfo_method(tzinfo, "dst", tzinfoarg, none);
 }
 
 /* Call tzinfo.tzname(tzinfoarg), and return the result.  tzinfo must be
@@ -934,48 +934,48 @@
 static PyObject *
 call_tzname(PyObject *tzinfo, PyObject *tzinfoarg)
 {
-	PyObject *result;
+    PyObject *result;
 
-	assert(tzinfo != NULL);
-	assert(check_tzinfo_subclass(tzinfo) >= 0);
-	assert(tzinfoarg != NULL);
+    assert(tzinfo != NULL);
+    assert(check_tzinfo_subclass(tzinfo) >= 0);
+    assert(tzinfoarg != NULL);
 
-	if (tzinfo == Py_None) {
-		result = Py_None;
-		Py_INCREF(result);
-	}
-	else
-		result = PyObject_CallMethod(tzinfo, "tzname", "O", tzinfoarg);
+    if (tzinfo == Py_None) {
+        result = Py_None;
+        Py_INCREF(result);
+    }
+    else
+        result = PyObject_CallMethod(tzinfo, "tzname", "O", tzinfoarg);
 
-	if (result != NULL && result != Py_None && ! PyString_Check(result)) {
-		PyErr_Format(PyExc_TypeError, "tzinfo.tzname() must "
-			     "return None or a string, not '%s'",
-			     Py_TYPE(result)->tp_name);
-		Py_DECREF(result);
-		result = NULL;
-	}
-	return result;
+    if (result != NULL && result != Py_None && ! PyString_Check(result)) {
+        PyErr_Format(PyExc_TypeError, "tzinfo.tzname() must "
+                     "return None or a string, not '%s'",
+                     Py_TYPE(result)->tp_name);
+        Py_DECREF(result);
+        result = NULL;
+    }
+    return result;
 }
 
 typedef enum {
-	      /* an exception has been set; the caller should pass it on */
-	      OFFSET_ERROR,
+              /* an exception has been set; the caller should pass it on */
+          OFFSET_ERROR,
 
-	      /* type isn't date, datetime, or time subclass */
-	      OFFSET_UNKNOWN,
+          /* type isn't date, datetime, or time subclass */
+          OFFSET_UNKNOWN,
 
-	      /* date,
-	       * datetime with !hastzinfo
-	       * datetime with None tzinfo,
-	       * datetime where utcoffset() returns None
-	       * time with !hastzinfo
-	       * time with None tzinfo,
-	       * time where utcoffset() returns None
-	       */
-	      OFFSET_NAIVE,
+          /* date,
+           * datetime with !hastzinfo
+           * datetime with None tzinfo,
+           * datetime where utcoffset() returns None
+           * time with !hastzinfo
+           * time with None tzinfo,
+           * time where utcoffset() returns None
+           */
+          OFFSET_NAIVE,
 
-	      /* time or datetime where utcoffset() doesn't return None */
-	      OFFSET_AWARE
+          /* time or datetime where utcoffset() doesn't return None */
+          OFFSET_AWARE
 } naivety;
 
 /* Classify an object as to whether it's naive or offset-aware.  See
@@ -987,23 +987,23 @@
 static naivety
 classify_utcoffset(PyObject *op, PyObject *tzinfoarg, int *offset)
 {
-	int none;
-	PyObject *tzinfo;
+    int none;
+    PyObject *tzinfo;
 
-	assert(tzinfoarg != NULL);
-	*offset = 0;
-	tzinfo = get_tzinfo_member(op);	/* NULL means no tzinfo, not error */
-	if (tzinfo == Py_None)
-		return OFFSET_NAIVE;
-	if (tzinfo == NULL) {
-		/* note that a datetime passes the PyDate_Check test */
-		return (PyTime_Check(op) || PyDate_Check(op)) ?
-		       OFFSET_NAIVE : OFFSET_UNKNOWN;
-	}
-	*offset = call_utcoffset(tzinfo, tzinfoarg, &none);
-	if (*offset == -1 && PyErr_Occurred())
-		return OFFSET_ERROR;
-	return none ? OFFSET_NAIVE : OFFSET_AWARE;
+    assert(tzinfoarg != NULL);
+    *offset = 0;
+    tzinfo = get_tzinfo_member(op);     /* NULL means no tzinfo, not error */
+    if (tzinfo == Py_None)
+        return OFFSET_NAIVE;
+    if (tzinfo == NULL) {
+        /* note that a datetime passes the PyDate_Check test */
+        return (PyTime_Check(op) || PyDate_Check(op)) ?
+               OFFSET_NAIVE : OFFSET_UNKNOWN;
+    }
+    *offset = call_utcoffset(tzinfo, tzinfoarg, &none);
+    if (*offset == -1 && PyErr_Occurred())
+        return OFFSET_ERROR;
+    return none ? OFFSET_NAIVE : OFFSET_AWARE;
 }
 
 /* Classify two objects as to whether they're naive or offset-aware.
@@ -1017,23 +1017,23 @@
  */
 static int
 classify_two_utcoffsets(PyObject *o1, int *offset1, naivety *n1,
-			PyObject *tzinfoarg1,
-			PyObject *o2, int *offset2, naivety *n2,
-			PyObject *tzinfoarg2)
+                        PyObject *tzinfoarg1,
+                        PyObject *o2, int *offset2, naivety *n2,
+                        PyObject *tzinfoarg2)
 {
-	if (get_tzinfo_member(o1) == get_tzinfo_member(o2)) {
-		*offset1 = *offset2 = 0;
-		*n1 = *n2 = OFFSET_NAIVE;
-	}
-	else {
-		*n1 = classify_utcoffset(o1, tzinfoarg1, offset1);
-		if (*n1 == OFFSET_ERROR)
-			return -1;
-		*n2 = classify_utcoffset(o2, tzinfoarg2, offset2);
-		if (*n2 == OFFSET_ERROR)
-			return -1;
-	}
-	return 0;
+    if (get_tzinfo_member(o1) == get_tzinfo_member(o2)) {
+        *offset1 = *offset2 = 0;
+        *n1 = *n2 = OFFSET_NAIVE;
+    }
+    else {
+        *n1 = classify_utcoffset(o1, tzinfoarg1, offset1);
+        if (*n1 == OFFSET_ERROR)
+            return -1;
+        *n2 = classify_utcoffset(o2, tzinfoarg2, offset2);
+        if (*n2 == OFFSET_ERROR)
+            return -1;
+    }
+    return 0;
 }
 
 /* repr is like "someclass(arg1, arg2)".  If tzinfo isn't None,
@@ -1044,30 +1044,30 @@
 static PyObject *
 append_keyword_tzinfo(PyObject *repr, PyObject *tzinfo)
 {
-	PyObject *temp;
+    PyObject *temp;
 
-	assert(PyString_Check(repr));
-	assert(tzinfo);
-	if (tzinfo == Py_None)
-		return repr;
-	/* Get rid of the trailing ')'. */
-	assert(PyString_AsString(repr)[PyString_Size(repr)-1] == ')');
-	temp = PyString_FromStringAndSize(PyString_AsString(repr),
-					  PyString_Size(repr) - 1);
-	Py_DECREF(repr);
-	if (temp == NULL)
-		return NULL;
-	repr = temp;
+    assert(PyString_Check(repr));
+    assert(tzinfo);
+    if (tzinfo == Py_None)
+        return repr;
+    /* Get rid of the trailing ')'. */
+    assert(PyString_AsString(repr)[PyString_Size(repr)-1] == ')');
+    temp = PyString_FromStringAndSize(PyString_AsString(repr),
+                                      PyString_Size(repr) - 1);
+    Py_DECREF(repr);
+    if (temp == NULL)
+        return NULL;
+    repr = temp;
 
-	/* Append ", tzinfo=". */
-	PyString_ConcatAndDel(&repr, PyString_FromString(", tzinfo="));
+    /* Append ", tzinfo=". */
+    PyString_ConcatAndDel(&repr, PyString_FromString(", tzinfo="));
 
-	/* Append repr(tzinfo). */
-	PyString_ConcatAndDel(&repr, PyObject_Repr(tzinfo));
+    /* Append repr(tzinfo). */
+    PyString_ConcatAndDel(&repr, PyObject_Repr(tzinfo));
 
-	/* Add a closing paren. */
-	PyString_ConcatAndDel(&repr, PyString_FromString(")"));
-	return repr;
+    /* Add a closing paren. */
+    PyString_ConcatAndDel(&repr, PyString_FromString(")"));
+    return repr;
 }
 
 /* ---------------------------------------------------------------------------
@@ -1077,22 +1077,22 @@
 static PyObject *
 format_ctime(PyDateTime_Date *date, int hours, int minutes, int seconds)
 {
-	static const char *DayNames[] = {
-		"Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"
-	};
-	static const char *MonthNames[] = {
-		"Jan", "Feb", "Mar", "Apr", "May", "Jun",
-		"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
-	};
+    static const char *DayNames[] = {
+        "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"
+    };
+    static const char *MonthNames[] = {
+        "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+        "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
+    };
 
-	char buffer[128];
-	int wday = weekday(GET_YEAR(date), GET_MONTH(date), GET_DAY(date));
+    char buffer[128];
+    int wday = weekday(GET_YEAR(date), GET_MONTH(date), GET_DAY(date));
 
-	PyOS_snprintf(buffer, sizeof(buffer), "%s %s %2d %02d:%02d:%02d %04d",
-		      DayNames[wday], MonthNames[GET_MONTH(date) - 1],
-		      GET_DAY(date), hours, minutes, seconds,
-		      GET_YEAR(date));
-	return PyString_FromString(buffer);
+    PyOS_snprintf(buffer, sizeof(buffer), "%s %s %2d %02d:%02d:%02d %04d",
+                  DayNames[wday], MonthNames[GET_MONTH(date) - 1],
+                  GET_DAY(date), hours, minutes, seconds,
+                  GET_YEAR(date));
+    return PyString_FromString(buffer);
 }
 
 /* Add an hours & minutes UTC offset string to buf.  buf has no more than
@@ -1107,45 +1107,45 @@
  */
 static int
 format_utcoffset(char *buf, size_t buflen, const char *sep,
-		PyObject *tzinfo, PyObject *tzinfoarg)
+                PyObject *tzinfo, PyObject *tzinfoarg)
 {
-	int offset;
-	int hours;
-	int minutes;
-	char sign;
-	int none;
+    int offset;
+    int hours;
+    int minutes;
+    char sign;
+    int none;
 
-	assert(buflen >= 1);
+    assert(buflen >= 1);
 
-	offset = call_utcoffset(tzinfo, tzinfoarg, &none);
-	if (offset == -1 && PyErr_Occurred())
-		return -1;
-	if (none) {
-		*buf = '\0';
-		return 0;
-	}
-	sign = '+';
-	if (offset < 0) {
-		sign = '-';
-		offset = - offset;
-	}
-	hours = divmod(offset, 60, &minutes);
-	PyOS_snprintf(buf, buflen, "%c%02d%s%02d", sign, hours, sep, minutes);
-	return 0;
+    offset = call_utcoffset(tzinfo, tzinfoarg, &none);
+    if (offset == -1 && PyErr_Occurred())
+        return -1;
+    if (none) {
+        *buf = '\0';
+        return 0;
+    }
+    sign = '+';
+    if (offset < 0) {
+        sign = '-';
+        offset = - offset;
+    }
+    hours = divmod(offset, 60, &minutes);
+    PyOS_snprintf(buf, buflen, "%c%02d%s%02d", sign, hours, sep, minutes);
+    return 0;
 }
 
 static PyObject *
 make_freplacement(PyObject *object)
 {
-	char freplacement[64];
-	if (PyTime_Check(object))
-	    sprintf(freplacement, "%06d", TIME_GET_MICROSECOND(object));
-	else if (PyDateTime_Check(object))
-	    sprintf(freplacement, "%06d", DATE_GET_MICROSECOND(object));
-	else
-	    sprintf(freplacement, "%06d", 0);
+    char freplacement[64];
+    if (PyTime_Check(object))
+        sprintf(freplacement, "%06d", TIME_GET_MICROSECOND(object));
+    else if (PyDateTime_Check(object))
+        sprintf(freplacement, "%06d", DATE_GET_MICROSECOND(object));
+    else
+        sprintf(freplacement, "%06d", 0);
 
-	return PyString_FromStringAndSize(freplacement, strlen(freplacement));
+    return PyString_FromStringAndSize(freplacement, strlen(freplacement));
 }
 
 /* I sure don't want to reproduce the strftime code from the time module,
@@ -1157,231 +1157,231 @@
  */
 static PyObject *
 wrap_strftime(PyObject *object, const char *format, size_t format_len,
-		PyObject *timetuple, PyObject *tzinfoarg)
+                PyObject *timetuple, PyObject *tzinfoarg)
 {
-	PyObject *result = NULL;	/* guilty until proved innocent */
+    PyObject *result = NULL;            /* guilty until proved innocent */
 
-	PyObject *zreplacement = NULL;	/* py string, replacement for %z */
-	PyObject *Zreplacement = NULL;	/* py string, replacement for %Z */
-	PyObject *freplacement = NULL;	/* py string, replacement for %f */
+    PyObject *zreplacement = NULL;      /* py string, replacement for %z */
+    PyObject *Zreplacement = NULL;      /* py string, replacement for %Z */
+    PyObject *freplacement = NULL;      /* py string, replacement for %f */
 
-	const char *pin;	/* pointer to next char in input format */
-	char ch;		/* next char in input format */
+    const char *pin;            /* pointer to next char in input format */
+    char ch;                    /* next char in input format */
 
-	PyObject *newfmt = NULL;	/* py string, the output format */
-	char *pnew;	/* pointer to available byte in output format */
-	size_t totalnew;	/* number bytes total in output format buffer,
-				   exclusive of trailing \0 */
-	size_t usednew;	/* number bytes used so far in output format buffer */
+    PyObject *newfmt = NULL;            /* py string, the output format */
+    char *pnew;         /* pointer to available byte in output format */
+    size_t totalnew;            /* number bytes total in output format buffer,
+                               exclusive of trailing \0 */
+    size_t usednew;     /* number bytes used so far in output format buffer */
 
-	const char *ptoappend;	/* ptr to string to append to output buffer */
-	size_t ntoappend;	/* # of bytes to append to output buffer */
+    const char *ptoappend;      /* ptr to string to append to output buffer */
+    size_t ntoappend;           /* # of bytes to append to output buffer */
 
-	assert(object && format && timetuple);
+    assert(object && format && timetuple);
 
-	/* Give up if the year is before 1900.
-	 * Python strftime() plays games with the year, and different
-	 * games depending on whether envar PYTHON2K is set.  This makes
-	 * years before 1900 a nightmare, even if the platform strftime
-	 * supports them (and not all do).
-	 * We could get a lot farther here by avoiding Python's strftime
-	 * wrapper and calling the C strftime() directly, but that isn't
-	 * an option in the Python implementation of this module.
-	 */
-	{
-		long year;
-		PyObject *pyyear = PySequence_GetItem(timetuple, 0);
-		if (pyyear == NULL) return NULL;
-		assert(PyInt_Check(pyyear));
-		year = PyInt_AsLong(pyyear);
-		Py_DECREF(pyyear);
-		if (year < 1900) {
-			PyErr_Format(PyExc_ValueError, "year=%ld is before "
-				     "1900; the datetime strftime() "
-	                             "methods require year >= 1900",
-	                             year);
-	                return NULL;
-		}
-	}
+    /* Give up if the year is before 1900.
+     * Python strftime() plays games with the year, and different
+     * games depending on whether envar PYTHON2K is set.  This makes
+     * years before 1900 a nightmare, even if the platform strftime
+     * supports them (and not all do).
+     * We could get a lot farther here by avoiding Python's strftime
+     * wrapper and calling the C strftime() directly, but that isn't
+     * an option in the Python implementation of this module.
+     */
+    {
+        long year;
+        PyObject *pyyear = PySequence_GetItem(timetuple, 0);
+        if (pyyear == NULL) return NULL;
+        assert(PyInt_Check(pyyear));
+        year = PyInt_AsLong(pyyear);
+        Py_DECREF(pyyear);
+        if (year < 1900) {
+            PyErr_Format(PyExc_ValueError, "year=%ld is before "
+                         "1900; the datetime strftime() "
+                         "methods require year >= 1900",
+                         year);
+            return NULL;
+        }
+    }
 
-	/* Scan the input format, looking for %z/%Z/%f escapes, building
-	 * a new format.  Since computing the replacements for those codes
-	 * is expensive, don't unless they're actually used.
-	 */
-	if (format_len > INT_MAX - 1) {
-		PyErr_NoMemory();
-		goto Done;
-	}
+    /* Scan the input format, looking for %z/%Z/%f escapes, building
+     * a new format.  Since computing the replacements for those codes
+     * is expensive, don't unless they're actually used.
+     */
+    if (format_len > INT_MAX - 1) {
+        PyErr_NoMemory();
+        goto Done;
+    }
 
-	totalnew = format_len + 1;	/* realistic if no %z/%Z/%f */
-	newfmt = PyString_FromStringAndSize(NULL, totalnew);
-	if (newfmt == NULL) goto Done;
-	pnew = PyString_AsString(newfmt);
-	usednew = 0;
+    totalnew = format_len + 1;          /* realistic if no %z/%Z/%f */
+    newfmt = PyString_FromStringAndSize(NULL, totalnew);
+    if (newfmt == NULL) goto Done;
+    pnew = PyString_AsString(newfmt);
+    usednew = 0;
 
-	pin = format;
-	while ((ch = *pin++) != '\0') {
-		if (ch != '%') {
-			ptoappend = pin - 1;
-			ntoappend = 1;
-		}
-		else if ((ch = *pin++) == '\0') {
-			/* There's a lone trailing %; doesn't make sense. */
-			PyErr_SetString(PyExc_ValueError, "strftime format "
-					"ends with raw %");
-			goto Done;
-		}
-		/* A % has been seen and ch is the character after it. */
-		else if (ch == 'z') {
-			if (zreplacement == NULL) {
-				/* format utcoffset */
-				char buf[100];
-				PyObject *tzinfo = get_tzinfo_member(object);
-				zreplacement = PyString_FromString("");
-				if (zreplacement == NULL) goto Done;
-				if (tzinfo != Py_None && tzinfo != NULL) {
-					assert(tzinfoarg != NULL);
-					if (format_utcoffset(buf,
-							     sizeof(buf),
-							     "",
-							     tzinfo,
-							     tzinfoarg) < 0)
-						goto Done;
-					Py_DECREF(zreplacement);
-					zreplacement = PyString_FromString(buf);
-					if (zreplacement == NULL) goto Done;
-				}
-			}
-			assert(zreplacement != NULL);
-			ptoappend = PyString_AS_STRING(zreplacement);
-			ntoappend = PyString_GET_SIZE(zreplacement);
-		}
-		else if (ch == 'Z') {
-			/* format tzname */
-			if (Zreplacement == NULL) {
-				PyObject *tzinfo = get_tzinfo_member(object);
-				Zreplacement = PyString_FromString("");
-				if (Zreplacement == NULL) goto Done;
-				if (tzinfo != Py_None && tzinfo != NULL) {
-					PyObject *temp;
-					assert(tzinfoarg != NULL);
-					temp = call_tzname(tzinfo, tzinfoarg);
-					if (temp == NULL) goto Done;
-					if (temp != Py_None) {
-						assert(PyString_Check(temp));
-						/* Since the tzname is getting
-						 * stuffed into the format, we
-						 * have to double any % signs
-						 * so that strftime doesn't
-						 * treat them as format codes.
-						 */
-						Py_DECREF(Zreplacement);
-						Zreplacement = PyObject_CallMethod(
-							temp, "replace",
-							"ss", "%", "%%");
-						Py_DECREF(temp);
-						if (Zreplacement == NULL)
-							goto Done;
-						if (!PyString_Check(Zreplacement)) {
-							PyErr_SetString(PyExc_TypeError, "tzname.replace() did not return a string");
-							goto Done;
-						}
-					}
-					else
-						Py_DECREF(temp);
-				}
-			}
-			assert(Zreplacement != NULL);
-			ptoappend = PyString_AS_STRING(Zreplacement);
-			ntoappend = PyString_GET_SIZE(Zreplacement);
-		}
-		else if (ch == 'f') {
-			/* format microseconds */
-			if (freplacement == NULL) {
-				freplacement = make_freplacement(object);
-				if (freplacement == NULL)
-					goto Done;
-			}
-			assert(freplacement != NULL);
-			assert(PyString_Check(freplacement));
-			ptoappend = PyString_AS_STRING(freplacement);
-			ntoappend = PyString_GET_SIZE(freplacement);
-		}
-		else {
-			/* percent followed by neither z nor Z */
-			ptoappend = pin - 2;
-			ntoappend = 2;
-		}
+    pin = format;
+    while ((ch = *pin++) != '\0') {
+        if (ch != '%') {
+            ptoappend = pin - 1;
+            ntoappend = 1;
+        }
+        else if ((ch = *pin++) == '\0') {
+            /* There's a lone trailing %; doesn't make sense. */
+            PyErr_SetString(PyExc_ValueError, "strftime format "
+                            "ends with raw %");
+            goto Done;
+        }
+        /* A % has been seen and ch is the character after it. */
+        else if (ch == 'z') {
+            if (zreplacement == NULL) {
+                /* format utcoffset */
+                char buf[100];
+                PyObject *tzinfo = get_tzinfo_member(object);
+                zreplacement = PyString_FromString("");
+                if (zreplacement == NULL) goto Done;
+                if (tzinfo != Py_None && tzinfo != NULL) {
+                    assert(tzinfoarg != NULL);
+                    if (format_utcoffset(buf,
+                                         sizeof(buf),
+                                         "",
+                                         tzinfo,
+                                         tzinfoarg) < 0)
+                        goto Done;
+                    Py_DECREF(zreplacement);
+                    zreplacement = PyString_FromString(buf);
+                    if (zreplacement == NULL) goto Done;
+                }
+            }
+            assert(zreplacement != NULL);
+            ptoappend = PyString_AS_STRING(zreplacement);
+            ntoappend = PyString_GET_SIZE(zreplacement);
+        }
+        else if (ch == 'Z') {
+            /* format tzname */
+            if (Zreplacement == NULL) {
+                PyObject *tzinfo = get_tzinfo_member(object);
+                Zreplacement = PyString_FromString("");
+                if (Zreplacement == NULL) goto Done;
+                if (tzinfo != Py_None && tzinfo != NULL) {
+                    PyObject *temp;
+                    assert(tzinfoarg != NULL);
+                    temp = call_tzname(tzinfo, tzinfoarg);
+                    if (temp == NULL) goto Done;
+                    if (temp != Py_None) {
+                        assert(PyString_Check(temp));
+                        /* Since the tzname is getting
+                         * stuffed into the format, we
+                         * have to double any % signs
+                         * so that strftime doesn't
+                         * treat them as format codes.
+                         */
+                        Py_DECREF(Zreplacement);
+                        Zreplacement = PyObject_CallMethod(
+                            temp, "replace",
+                            "ss", "%", "%%");
+                        Py_DECREF(temp);
+                        if (Zreplacement == NULL)
+                            goto Done;
+                        if (!PyString_Check(Zreplacement)) {
+                            PyErr_SetString(PyExc_TypeError, "tzname.replace() did not return a string");
+                            goto Done;
+                        }
+                    }
+                    else
+                        Py_DECREF(temp);
+                }
+            }
+            assert(Zreplacement != NULL);
+            ptoappend = PyString_AS_STRING(Zreplacement);
+            ntoappend = PyString_GET_SIZE(Zreplacement);
+        }
+        else if (ch == 'f') {
+            /* format microseconds */
+            if (freplacement == NULL) {
+                freplacement = make_freplacement(object);
+                if (freplacement == NULL)
+                    goto Done;
+            }
+            assert(freplacement != NULL);
+            assert(PyString_Check(freplacement));
+            ptoappend = PyString_AS_STRING(freplacement);
+            ntoappend = PyString_GET_SIZE(freplacement);
+        }
+        else {
+            /* percent followed by neither z nor Z */
+            ptoappend = pin - 2;
+            ntoappend = 2;
+        }
 
- 		/* Append the ntoappend chars starting at ptoappend to
- 		 * the new format.
- 		 */
- 		assert(ptoappend != NULL);
- 		assert(ntoappend >= 0);
- 		if (ntoappend == 0)
- 			continue;
- 		while (usednew + ntoappend > totalnew) {
- 			size_t bigger = totalnew << 1;
- 			if ((bigger >> 1) != totalnew) { /* overflow */
- 				PyErr_NoMemory();
- 				goto Done;
- 			}
- 			if (_PyString_Resize(&newfmt, bigger) < 0)
- 				goto Done;
- 			totalnew = bigger;
- 			pnew = PyString_AsString(newfmt) + usednew;
- 		}
-		memcpy(pnew, ptoappend, ntoappend);
-		pnew += ntoappend;
-		usednew += ntoappend;
-		assert(usednew <= totalnew);
-	}  /* end while() */
+        /* Append the ntoappend chars starting at ptoappend to
+         * the new format.
+         */
+        assert(ptoappend != NULL);
+        assert(ntoappend >= 0);
+        if (ntoappend == 0)
+            continue;
+        while (usednew + ntoappend > totalnew) {
+            size_t bigger = totalnew << 1;
+            if ((bigger >> 1) != totalnew) { /* overflow */
+                PyErr_NoMemory();
+                goto Done;
+            }
+            if (_PyString_Resize(&newfmt, bigger) < 0)
+                goto Done;
+            totalnew = bigger;
+            pnew = PyString_AsString(newfmt) + usednew;
+        }
+        memcpy(pnew, ptoappend, ntoappend);
+        pnew += ntoappend;
+        usednew += ntoappend;
+        assert(usednew <= totalnew);
+    }  /* end while() */
 
-	if (_PyString_Resize(&newfmt, usednew) < 0)
-		goto Done;
-	{
-		PyObject *time = PyImport_ImportModuleNoBlock("time");
-		if (time == NULL)
-			goto Done;
-		result = PyObject_CallMethod(time, "strftime", "OO",
-					     newfmt, timetuple);
-		Py_DECREF(time);
-    	}
+    if (_PyString_Resize(&newfmt, usednew) < 0)
+        goto Done;
+    {
+        PyObject *time = PyImport_ImportModuleNoBlock("time");
+        if (time == NULL)
+            goto Done;
+        result = PyObject_CallMethod(time, "strftime", "OO",
+                                     newfmt, timetuple);
+        Py_DECREF(time);
+    }
  Done:
-	Py_XDECREF(freplacement);
-	Py_XDECREF(zreplacement);
-	Py_XDECREF(Zreplacement);
-	Py_XDECREF(newfmt);
-    	return result;
+    Py_XDECREF(freplacement);
+    Py_XDECREF(zreplacement);
+    Py_XDECREF(Zreplacement);
+    Py_XDECREF(newfmt);
+    return result;
 }
 
 static char *
 isoformat_date(PyDateTime_Date *dt, char buffer[], int bufflen)
 {
-	int x;
-	x = PyOS_snprintf(buffer, bufflen,
-			  "%04d-%02d-%02d",
-			  GET_YEAR(dt), GET_MONTH(dt), GET_DAY(dt));
-	assert(bufflen >= x);
-	return buffer + x;
+    int x;
+    x = PyOS_snprintf(buffer, bufflen,
+                      "%04d-%02d-%02d",
+                      GET_YEAR(dt), GET_MONTH(dt), GET_DAY(dt));
+    assert(bufflen >= x);
+    return buffer + x;
 }
 
 static char *
 isoformat_time(PyDateTime_DateTime *dt, char buffer[], int bufflen)
 {
-	int x;
-	int us = DATE_GET_MICROSECOND(dt);
+    int x;
+    int us = DATE_GET_MICROSECOND(dt);
 
-	x = PyOS_snprintf(buffer, bufflen,
-			  "%02d:%02d:%02d",
-			  DATE_GET_HOUR(dt),
-			  DATE_GET_MINUTE(dt),
-			  DATE_GET_SECOND(dt));
-	assert(bufflen >= x);
-	if (us)
-		x += PyOS_snprintf(buffer + x, bufflen - x, ".%06d", us);
-	assert(bufflen >= x);
-	return buffer + x;
+    x = PyOS_snprintf(buffer, bufflen,
+                      "%02d:%02d:%02d",
+                      DATE_GET_HOUR(dt),
+                      DATE_GET_MINUTE(dt),
+                      DATE_GET_SECOND(dt));
+    assert(bufflen >= x);
+    if (us)
+        x += PyOS_snprintf(buffer + x, bufflen - x, ".%06d", us);
+    assert(bufflen >= x);
+    return buffer + x;
 }
 
 /* ---------------------------------------------------------------------------
@@ -1393,14 +1393,14 @@
 static PyObject *
 time_time(void)
 {
-	PyObject *result = NULL;
-	PyObject *time = PyImport_ImportModuleNoBlock("time");
+    PyObject *result = NULL;
+    PyObject *time = PyImport_ImportModuleNoBlock("time");
 
-	if (time != NULL) {
-		result = PyObject_CallMethod(time, "time", "()");
-		Py_DECREF(time);
-	}
-	return result;
+    if (time != NULL) {
+        result = PyObject_CallMethod(time, "time", "()");
+        Py_DECREF(time);
+    }
+    return result;
 }
 
 /* Build a time.struct_time.  The weekday and day number are automatically
@@ -1409,21 +1409,21 @@
 static PyObject *
 build_struct_time(int y, int m, int d, int hh, int mm, int ss, int dstflag)
 {
-	PyObject *time;
-	PyObject *result = NULL;
+    PyObject *time;
+    PyObject *result = NULL;
 
-	time = PyImport_ImportModuleNoBlock("time");
-	if (time != NULL) {
-		result = PyObject_CallMethod(time, "struct_time",
-					     "((iiiiiiiii))",
-					     y, m, d,
-					     hh, mm, ss,
-				 	     weekday(y, m, d),
-				 	     days_before_month(y, m) + d,
-				 	     dstflag);
-		Py_DECREF(time);
-	}
-	return result;
+    time = PyImport_ImportModuleNoBlock("time");
+    if (time != NULL) {
+        result = PyObject_CallMethod(time, "struct_time",
+                                     "((iiiiiiiii))",
+                                     y, m, d,
+                                     hh, mm, ss,
+                                     weekday(y, m, d),
+                                     days_before_month(y, m) + d,
+                                     dstflag);
+        Py_DECREF(time);
+    }
+    return result;
 }
 
 /* ---------------------------------------------------------------------------
@@ -1437,33 +1437,33 @@
 static PyObject *
 diff_to_bool(int diff, int op)
 {
-	PyObject *result;
-	int istrue;
+    PyObject *result;
+    int istrue;
 
-	switch (op) {
-		case Py_EQ: istrue = diff == 0; break;
-		case Py_NE: istrue = diff != 0; break;
-		case Py_LE: istrue = diff <= 0; break;
-		case Py_GE: istrue = diff >= 0; break;
-		case Py_LT: istrue = diff < 0; break;
-		case Py_GT: istrue = diff > 0; break;
-		default:
-			assert(! "op unknown");
-			istrue = 0; /* To shut up compiler */
-	}
-	result = istrue ? Py_True : Py_False;
-	Py_INCREF(result);
-	return result;
+    switch (op) {
+        case Py_EQ: istrue = diff == 0; break;
+        case Py_NE: istrue = diff != 0; break;
+        case Py_LE: istrue = diff <= 0; break;
+        case Py_GE: istrue = diff >= 0; break;
+        case Py_LT: istrue = diff < 0; break;
+        case Py_GT: istrue = diff > 0; break;
+        default:
+            assert(! "op unknown");
+            istrue = 0; /* To shut up compiler */
+    }
+    result = istrue ? Py_True : Py_False;
+    Py_INCREF(result);
+    return result;
 }
 
 /* Raises a "can't compare" TypeError and returns NULL. */
 static PyObject *
 cmperror(PyObject *a, PyObject *b)
 {
-	PyErr_Format(PyExc_TypeError,
-		     "can't compare %s to %s",
-		     Py_TYPE(a)->tp_name, Py_TYPE(b)->tp_name);
-	return NULL;
+    PyErr_Format(PyExc_TypeError,
+                 "can't compare %s to %s",
+                 Py_TYPE(a)->tp_name, Py_TYPE(b)->tp_name);
+    return NULL;
 }
 
 /* ---------------------------------------------------------------------------
@@ -1471,13 +1471,13 @@
  */
 
 /* Conversion factors. */
-static PyObject *us_per_us = NULL;	/* 1 */
-static PyObject *us_per_ms = NULL;	/* 1000 */
-static PyObject *us_per_second = NULL;	/* 1000000 */
-static PyObject *us_per_minute = NULL;	/* 1e6 * 60 as Python int */
-static PyObject *us_per_hour = NULL;	/* 1e6 * 3600 as Python long */
-static PyObject *us_per_day = NULL;	/* 1e6 * 3600 * 24 as Python long */
-static PyObject *us_per_week = NULL;	/* 1e6*3600*24*7 as Python long */
+static PyObject *us_per_us = NULL;      /* 1 */
+static PyObject *us_per_ms = NULL;      /* 1000 */
+static PyObject *us_per_second = NULL;  /* 1000000 */
+static PyObject *us_per_minute = NULL;  /* 1e6 * 60 as Python int */
+static PyObject *us_per_hour = NULL;    /* 1e6 * 3600 as Python long */
+static PyObject *us_per_day = NULL;     /* 1e6 * 3600 * 24 as Python long */
+static PyObject *us_per_week = NULL;    /* 1e6*3600*24*7 as Python long */
 static PyObject *seconds_per_day = NULL; /* 3600*24 as Python int */
 
 /* ---------------------------------------------------------------------------
@@ -1489,7 +1489,7 @@
  */
 
 /* Convert a timedelta to a number of us,
- * 	(24*3600*self.days + self.seconds)*1000000 + self.microseconds
+ *      (24*3600*self.days + self.seconds)*1000000 + self.microseconds
  * as a Python int or long.
  * Doing mixed-radix arithmetic by hand instead is excruciating in C,
  * due to ubiquitous overflow possibilities.
@@ -1497,49 +1497,49 @@
 static PyObject *
 delta_to_microseconds(PyDateTime_Delta *self)
 {
-	PyObject *x1 = NULL;
-	PyObject *x2 = NULL;
-	PyObject *x3 = NULL;
-	PyObject *result = NULL;
+    PyObject *x1 = NULL;
+    PyObject *x2 = NULL;
+    PyObject *x3 = NULL;
+    PyObject *result = NULL;
 
-	x1 = PyInt_FromLong(GET_TD_DAYS(self));
-	if (x1 == NULL)
-		goto Done;
-	x2 = PyNumber_Multiply(x1, seconds_per_day);	/* days in seconds */
-	if (x2 == NULL)
-		goto Done;
-	Py_DECREF(x1);
-	x1 = NULL;
+    x1 = PyInt_FromLong(GET_TD_DAYS(self));
+    if (x1 == NULL)
+        goto Done;
+    x2 = PyNumber_Multiply(x1, seconds_per_day);        /* days in seconds */
+    if (x2 == NULL)
+        goto Done;
+    Py_DECREF(x1);
+    x1 = NULL;
 
-	/* x2 has days in seconds */
-	x1 = PyInt_FromLong(GET_TD_SECONDS(self));	/* seconds */
-	if (x1 == NULL)
-		goto Done;
-	x3 = PyNumber_Add(x1, x2);	/* days and seconds in seconds */
-	if (x3 == NULL)
-		goto Done;
-	Py_DECREF(x1);
-	Py_DECREF(x2);
-	x2 = NULL;
+    /* x2 has days in seconds */
+    x1 = PyInt_FromLong(GET_TD_SECONDS(self));          /* seconds */
+    if (x1 == NULL)
+        goto Done;
+    x3 = PyNumber_Add(x1, x2);          /* days and seconds in seconds */
+    if (x3 == NULL)
+        goto Done;
+    Py_DECREF(x1);
+    Py_DECREF(x2);
+    x2 = NULL;
 
-	/* x3 has days+seconds in seconds */
-	x1 = PyNumber_Multiply(x3, us_per_second);	/* us */
-	if (x1 == NULL)
-		goto Done;
-	Py_DECREF(x3);
-	x3 = NULL;
+    /* x3 has days+seconds in seconds */
+    x1 = PyNumber_Multiply(x3, us_per_second);          /* us */
+    if (x1 == NULL)
+        goto Done;
+    Py_DECREF(x3);
+    x3 = NULL;
 
-	/* x1 has days+seconds in us */
-	x2 = PyInt_FromLong(GET_TD_MICROSECONDS(self));
-	if (x2 == NULL)
-		goto Done;
-	result = PyNumber_Add(x1, x2);
+    /* x1 has days+seconds in us */
+    x2 = PyInt_FromLong(GET_TD_MICROSECONDS(self));
+    if (x2 == NULL)
+        goto Done;
+    result = PyNumber_Add(x1, x2);
 
 Done:
-	Py_XDECREF(x1);
-	Py_XDECREF(x2);
-	Py_XDECREF(x3);
-	return result;
+    Py_XDECREF(x1);
+    Py_XDECREF(x2);
+    Py_XDECREF(x3);
+    return result;
 }
 
 /* Convert a number of us (as a Python int or long) to a timedelta.
@@ -1547,205 +1547,205 @@
 static PyObject *
 microseconds_to_delta_ex(PyObject *pyus, PyTypeObject *type)
 {
-	int us;
-	int s;
-	int d;
-	long temp;
+    int us;
+    int s;
+    int d;
+    long temp;
 
-	PyObject *tuple = NULL;
-	PyObject *num = NULL;
-	PyObject *result = NULL;
+    PyObject *tuple = NULL;
+    PyObject *num = NULL;
+    PyObject *result = NULL;
 
-	tuple = PyNumber_Divmod(pyus, us_per_second);
-	if (tuple == NULL)
-		goto Done;
+    tuple = PyNumber_Divmod(pyus, us_per_second);
+    if (tuple == NULL)
+        goto Done;
 
-	num = PyTuple_GetItem(tuple, 1);	/* us */
-	if (num == NULL)
-		goto Done;
-	temp = PyLong_AsLong(num);
-	num = NULL;
-	if (temp == -1 && PyErr_Occurred())
-		goto Done;
-	assert(0 <= temp && temp < 1000000);
-	us = (int)temp;
-	if (us < 0) {
-		/* The divisor was positive, so this must be an error. */
-		assert(PyErr_Occurred());
-		goto Done;
-	}
+    num = PyTuple_GetItem(tuple, 1);            /* us */
+    if (num == NULL)
+        goto Done;
+    temp = PyLong_AsLong(num);
+    num = NULL;
+    if (temp == -1 && PyErr_Occurred())
+        goto Done;
+    assert(0 <= temp && temp < 1000000);
+    us = (int)temp;
+    if (us < 0) {
+        /* The divisor was positive, so this must be an error. */
+        assert(PyErr_Occurred());
+        goto Done;
+    }
 
-	num = PyTuple_GetItem(tuple, 0);	/* leftover seconds */
-	if (num == NULL)
-		goto Done;
-	Py_INCREF(num);
-	Py_DECREF(tuple);
+    num = PyTuple_GetItem(tuple, 0);            /* leftover seconds */
+    if (num == NULL)
+        goto Done;
+    Py_INCREF(num);
+    Py_DECREF(tuple);
 
-	tuple = PyNumber_Divmod(num, seconds_per_day);
-	if (tuple == NULL)
-		goto Done;
-	Py_DECREF(num);
+    tuple = PyNumber_Divmod(num, seconds_per_day);
+    if (tuple == NULL)
+        goto Done;
+    Py_DECREF(num);
 
-	num = PyTuple_GetItem(tuple, 1); 	/* seconds */
-	if (num == NULL)
-		goto Done;
-	temp = PyLong_AsLong(num);
-	num = NULL;
-	if (temp == -1 && PyErr_Occurred())
-		goto Done;
-	assert(0 <= temp && temp < 24*3600);
-	s = (int)temp;
+    num = PyTuple_GetItem(tuple, 1);            /* seconds */
+    if (num == NULL)
+        goto Done;
+    temp = PyLong_AsLong(num);
+    num = NULL;
+    if (temp == -1 && PyErr_Occurred())
+        goto Done;
+    assert(0 <= temp && temp < 24*3600);
+    s = (int)temp;
 
-	if (s < 0) {
-		/* The divisor was positive, so this must be an error. */
-		assert(PyErr_Occurred());
-		goto Done;
-	}
+    if (s < 0) {
+        /* The divisor was positive, so this must be an error. */
+        assert(PyErr_Occurred());
+        goto Done;
+    }
 
-	num = PyTuple_GetItem(tuple, 0);	/* leftover days */
-	if (num == NULL)
-		goto Done;
-	Py_INCREF(num);
-	temp = PyLong_AsLong(num);
-	if (temp == -1 && PyErr_Occurred())
-		goto Done;
-	d = (int)temp;
-	if ((long)d != temp) {
-		PyErr_SetString(PyExc_OverflowError, "normalized days too "
-				"large to fit in a C int");
-		goto Done;
-	}
-	result = new_delta_ex(d, s, us, 0, type);
+    num = PyTuple_GetItem(tuple, 0);            /* leftover days */
+    if (num == NULL)
+        goto Done;
+    Py_INCREF(num);
+    temp = PyLong_AsLong(num);
+    if (temp == -1 && PyErr_Occurred())
+        goto Done;
+    d = (int)temp;
+    if ((long)d != temp) {
+        PyErr_SetString(PyExc_OverflowError, "normalized days too "
+                        "large to fit in a C int");
+        goto Done;
+    }
+    result = new_delta_ex(d, s, us, 0, type);
 
 Done:
-	Py_XDECREF(tuple);
-	Py_XDECREF(num);
-	return result;
+    Py_XDECREF(tuple);
+    Py_XDECREF(num);
+    return result;
 }
 
-#define microseconds_to_delta(pymicros)	\
-	microseconds_to_delta_ex(pymicros, &PyDateTime_DeltaType)
+#define microseconds_to_delta(pymicros) \
+    microseconds_to_delta_ex(pymicros, &PyDateTime_DeltaType)
 
 static PyObject *
 multiply_int_timedelta(PyObject *intobj, PyDateTime_Delta *delta)
 {
-	PyObject *pyus_in;
-	PyObject *pyus_out;
-	PyObject *result;
+    PyObject *pyus_in;
+    PyObject *pyus_out;
+    PyObject *result;
 
-	pyus_in = delta_to_microseconds(delta);
-	if (pyus_in == NULL)
-		return NULL;
+    pyus_in = delta_to_microseconds(delta);
+    if (pyus_in == NULL)
+        return NULL;
 
-	pyus_out = PyNumber_Multiply(pyus_in, intobj);
-	Py_DECREF(pyus_in);
-	if (pyus_out == NULL)
-		return NULL;
+    pyus_out = PyNumber_Multiply(pyus_in, intobj);
+    Py_DECREF(pyus_in);
+    if (pyus_out == NULL)
+        return NULL;
 
-	result = microseconds_to_delta(pyus_out);
-	Py_DECREF(pyus_out);
-	return result;
+    result = microseconds_to_delta(pyus_out);
+    Py_DECREF(pyus_out);
+    return result;
 }
 
 static PyObject *
 divide_timedelta_int(PyDateTime_Delta *delta, PyObject *intobj)
 {
-	PyObject *pyus_in;
-	PyObject *pyus_out;
-	PyObject *result;
+    PyObject *pyus_in;
+    PyObject *pyus_out;
+    PyObject *result;
 
-	pyus_in = delta_to_microseconds(delta);
-	if (pyus_in == NULL)
-		return NULL;
+    pyus_in = delta_to_microseconds(delta);
+    if (pyus_in == NULL)
+        return NULL;
 
-	pyus_out = PyNumber_FloorDivide(pyus_in, intobj);
-	Py_DECREF(pyus_in);
-	if (pyus_out == NULL)
-		return NULL;
+    pyus_out = PyNumber_FloorDivide(pyus_in, intobj);
+    Py_DECREF(pyus_in);
+    if (pyus_out == NULL)
+        return NULL;
 
-	result = microseconds_to_delta(pyus_out);
-	Py_DECREF(pyus_out);
-	return result;
+    result = microseconds_to_delta(pyus_out);
+    Py_DECREF(pyus_out);
+    return result;
 }
 
 static PyObject *
 delta_add(PyObject *left, PyObject *right)
 {
-	PyObject *result = Py_NotImplemented;
+    PyObject *result = Py_NotImplemented;
 
-	if (PyDelta_Check(left) && PyDelta_Check(right)) {
-		/* delta + delta */
-		/* The C-level additions can't overflow because of the
-		 * invariant bounds.
-		 */
-		int days = GET_TD_DAYS(left) + GET_TD_DAYS(right);
-		int seconds = GET_TD_SECONDS(left) + GET_TD_SECONDS(right);
-		int microseconds = GET_TD_MICROSECONDS(left) +
-				   GET_TD_MICROSECONDS(right);
-		result = new_delta(days, seconds, microseconds, 1);
-	}
+    if (PyDelta_Check(left) && PyDelta_Check(right)) {
+        /* delta + delta */
+        /* The C-level additions can't overflow because of the
+         * invariant bounds.
+         */
+        int days = GET_TD_DAYS(left) + GET_TD_DAYS(right);
+        int seconds = GET_TD_SECONDS(left) + GET_TD_SECONDS(right);
+        int microseconds = GET_TD_MICROSECONDS(left) +
+                           GET_TD_MICROSECONDS(right);
+        result = new_delta(days, seconds, microseconds, 1);
+    }
 
-	if (result == Py_NotImplemented)
-		Py_INCREF(result);
-	return result;
+    if (result == Py_NotImplemented)
+        Py_INCREF(result);
+    return result;
 }
 
 static PyObject *
 delta_negative(PyDateTime_Delta *self)
 {
-	return new_delta(-GET_TD_DAYS(self),
-			 -GET_TD_SECONDS(self),
-			 -GET_TD_MICROSECONDS(self),
-			 1);
+    return new_delta(-GET_TD_DAYS(self),
+                     -GET_TD_SECONDS(self),
+                     -GET_TD_MICROSECONDS(self),
+                     1);
 }
 
 static PyObject *
 delta_positive(PyDateTime_Delta *self)
 {
-	/* Could optimize this (by returning self) if this isn't a
-	 * subclass -- but who uses unary + ?  Approximately nobody.
-	 */
-	return new_delta(GET_TD_DAYS(self),
-			 GET_TD_SECONDS(self),
-			 GET_TD_MICROSECONDS(self),
-			 0);
+    /* Could optimize this (by returning self) if this isn't a
+     * subclass -- but who uses unary + ?  Approximately nobody.
+     */
+    return new_delta(GET_TD_DAYS(self),
+                     GET_TD_SECONDS(self),
+                     GET_TD_MICROSECONDS(self),
+                     0);
 }
 
 static PyObject *
 delta_abs(PyDateTime_Delta *self)
 {
-	PyObject *result;
+    PyObject *result;
 
-	assert(GET_TD_MICROSECONDS(self) >= 0);
-	assert(GET_TD_SECONDS(self) >= 0);
+    assert(GET_TD_MICROSECONDS(self) >= 0);
+    assert(GET_TD_SECONDS(self) >= 0);
 
-	if (GET_TD_DAYS(self) < 0)
-		result = delta_negative(self);
-	else
-		result = delta_positive(self);
+    if (GET_TD_DAYS(self) < 0)
+        result = delta_negative(self);
+    else
+        result = delta_positive(self);
 
-	return result;
+    return result;
 }
 
 static PyObject *
 delta_subtract(PyObject *left, PyObject *right)
 {
-	PyObject *result = Py_NotImplemented;
+    PyObject *result = Py_NotImplemented;
 
-	if (PyDelta_Check(left) && PyDelta_Check(right)) {
-	    	/* delta - delta */
-	    	PyObject *minus_right = PyNumber_Negative(right);
-	    	if (minus_right) {
-	    		result = delta_add(left, minus_right);
-	    		Py_DECREF(minus_right);
-	    	}
-	    	else
-	    		result = NULL;
-	}
+    if (PyDelta_Check(left) && PyDelta_Check(right)) {
+        /* delta - delta */
+        PyObject *minus_right = PyNumber_Negative(right);
+        if (minus_right) {
+            result = delta_add(left, minus_right);
+            Py_DECREF(minus_right);
+        }
+        else
+            result = NULL;
+    }
 
-	if (result == Py_NotImplemented)
-		Py_INCREF(result);
-	return result;
+    if (result == Py_NotImplemented)
+        Py_INCREF(result);
+    return result;
 }
 
 /* This is more natural as a tp_compare, but doesn't work then:  for whatever
@@ -1755,24 +1755,24 @@
 static PyObject *
 delta_richcompare(PyDateTime_Delta *self, PyObject *other, int op)
 {
-	int diff = 42;	/* nonsense */
+    int diff = 42;      /* nonsense */
 
-	if (PyDelta_Check(other)) {
-		diff = GET_TD_DAYS(self) - GET_TD_DAYS(other);
-		if (diff == 0) {
-			diff = GET_TD_SECONDS(self) - GET_TD_SECONDS(other);
-			if (diff == 0)
-				diff = GET_TD_MICROSECONDS(self) -
-				       GET_TD_MICROSECONDS(other);
-		}
-	}
-	else if (op == Py_EQ || op == Py_NE)
-		diff = 1;	/* any non-zero value will do */
+    if (PyDelta_Check(other)) {
+        diff = GET_TD_DAYS(self) - GET_TD_DAYS(other);
+        if (diff == 0) {
+            diff = GET_TD_SECONDS(self) - GET_TD_SECONDS(other);
+            if (diff == 0)
+                diff = GET_TD_MICROSECONDS(self) -
+                       GET_TD_MICROSECONDS(other);
+        }
+    }
+    else if (op == Py_EQ || op == Py_NE)
+        diff = 1;               /* any non-zero value will do */
 
-	else /* stop this from falling back to address comparison */
-		return cmperror((PyObject *)self, other);
+    else /* stop this from falling back to address comparison */
+        return cmperror((PyObject *)self, other);
 
-	return diff_to_bool(diff, op);
+    return diff_to_bool(diff, op);
 }
 
 static PyObject *delta_getstate(PyDateTime_Delta *self);
@@ -1780,52 +1780,52 @@
 static long
 delta_hash(PyDateTime_Delta *self)
 {
-	if (self->hashcode == -1) {
-		PyObject *temp = delta_getstate(self);
-		if (temp != NULL) {
-			self->hashcode = PyObject_Hash(temp);
-			Py_DECREF(temp);
-		}
-	}
-	return self->hashcode;
+    if (self->hashcode == -1) {
+        PyObject *temp = delta_getstate(self);
+        if (temp != NULL) {
+            self->hashcode = PyObject_Hash(temp);
+            Py_DECREF(temp);
+        }
+    }
+    return self->hashcode;
 }
 
 static PyObject *
 delta_multiply(PyObject *left, PyObject *right)
 {
-	PyObject *result = Py_NotImplemented;
+    PyObject *result = Py_NotImplemented;
 
-	if (PyDelta_Check(left)) {
-		/* delta * ??? */
-		if (PyInt_Check(right) || PyLong_Check(right))
-			result = multiply_int_timedelta(right,
-					(PyDateTime_Delta *) left);
-	}
-	else if (PyInt_Check(left) || PyLong_Check(left))
-		result = multiply_int_timedelta(left,
-						(PyDateTime_Delta *) right);
+    if (PyDelta_Check(left)) {
+        /* delta * ??? */
+        if (PyInt_Check(right) || PyLong_Check(right))
+            result = multiply_int_timedelta(right,
+                            (PyDateTime_Delta *) left);
+    }
+    else if (PyInt_Check(left) || PyLong_Check(left))
+        result = multiply_int_timedelta(left,
+                                        (PyDateTime_Delta *) right);
 
-	if (result == Py_NotImplemented)
-		Py_INCREF(result);
-	return result;
+    if (result == Py_NotImplemented)
+        Py_INCREF(result);
+    return result;
 }
 
 static PyObject *
 delta_divide(PyObject *left, PyObject *right)
 {
-	PyObject *result = Py_NotImplemented;
+    PyObject *result = Py_NotImplemented;
 
-	if (PyDelta_Check(left)) {
-		/* delta * ??? */
-		if (PyInt_Check(right) || PyLong_Check(right))
-			result = divide_timedelta_int(
-					(PyDateTime_Delta *)left,
-					right);
-	}
+    if (PyDelta_Check(left)) {
+        /* delta * ??? */
+        if (PyInt_Check(right) || PyLong_Check(right))
+            result = divide_timedelta_int(
+                            (PyDateTime_Delta *)left,
+                            right);
+    }
 
-	if (result == Py_NotImplemented)
-		Py_INCREF(result);
-	return result;
+    if (result == Py_NotImplemented)
+        Py_INCREF(result);
+    return result;
 }
 
 /* Fold in the value of the tag ("seconds", "weeks", etc) component of a
@@ -1841,169 +1841,169 @@
 accum(const char* tag, PyObject *sofar, PyObject *num, PyObject *factor,
       double *leftover)
 {
-	PyObject *prod;
-	PyObject *sum;
+    PyObject *prod;
+    PyObject *sum;
 
-	assert(num != NULL);
+    assert(num != NULL);
 
-	if (PyInt_Check(num) || PyLong_Check(num)) {
-		prod = PyNumber_Multiply(num, factor);
-		if (prod == NULL)
-			return NULL;
-		sum = PyNumber_Add(sofar, prod);
-		Py_DECREF(prod);
-		return sum;
-	}
+    if (PyInt_Check(num) || PyLong_Check(num)) {
+        prod = PyNumber_Multiply(num, factor);
+        if (prod == NULL)
+            return NULL;
+        sum = PyNumber_Add(sofar, prod);
+        Py_DECREF(prod);
+        return sum;
+    }
 
-	if (PyFloat_Check(num)) {
-		double dnum;
-		double fracpart;
-		double intpart;
-		PyObject *x;
-		PyObject *y;
+    if (PyFloat_Check(num)) {
+        double dnum;
+        double fracpart;
+        double intpart;
+        PyObject *x;
+        PyObject *y;
 
-		/* The Plan:  decompose num into an integer part and a
-		 * fractional part, num = intpart + fracpart.
-		 * Then num * factor ==
-		 *      intpart * factor + fracpart * factor
-		 * and the LHS can be computed exactly in long arithmetic.
-		 * The RHS is again broken into an int part and frac part.
-		 * and the frac part is added into *leftover.
-		 */
-		dnum = PyFloat_AsDouble(num);
-		if (dnum == -1.0 && PyErr_Occurred())
-			return NULL;
-		fracpart = modf(dnum, &intpart);
-		x = PyLong_FromDouble(intpart);
-		if (x == NULL)
-			return NULL;
+        /* The Plan:  decompose num into an integer part and a
+         * fractional part, num = intpart + fracpart.
+         * Then num * factor ==
+         *      intpart * factor + fracpart * factor
+         * and the LHS can be computed exactly in long arithmetic.
+         * The RHS is again broken into an int part and frac part.
+         * and the frac part is added into *leftover.
+         */
+        dnum = PyFloat_AsDouble(num);
+        if (dnum == -1.0 && PyErr_Occurred())
+            return NULL;
+        fracpart = modf(dnum, &intpart);
+        x = PyLong_FromDouble(intpart);
+        if (x == NULL)
+            return NULL;
 
-		prod = PyNumber_Multiply(x, factor);
-		Py_DECREF(x);
-		if (prod == NULL)
-			return NULL;
+        prod = PyNumber_Multiply(x, factor);
+        Py_DECREF(x);
+        if (prod == NULL)
+            return NULL;
 
-		sum = PyNumber_Add(sofar, prod);
-		Py_DECREF(prod);
-		if (sum == NULL)
-			return NULL;
+        sum = PyNumber_Add(sofar, prod);
+        Py_DECREF(prod);
+        if (sum == NULL)
+            return NULL;
 
-		if (fracpart == 0.0)
-			return sum;
-		/* So far we've lost no information.  Dealing with the
-		 * fractional part requires float arithmetic, and may
-		 * lose a little info.
-		 */
-		assert(PyInt_Check(factor) || PyLong_Check(factor));
-		if (PyInt_Check(factor))
-			dnum = (double)PyInt_AsLong(factor);
-		else
-			dnum = PyLong_AsDouble(factor);
+        if (fracpart == 0.0)
+            return sum;
+        /* So far we've lost no information.  Dealing with the
+         * fractional part requires float arithmetic, and may
+         * lose a little info.
+         */
+        assert(PyInt_Check(factor) || PyLong_Check(factor));
+        if (PyInt_Check(factor))
+            dnum = (double)PyInt_AsLong(factor);
+        else
+            dnum = PyLong_AsDouble(factor);
 
-		dnum *= fracpart;
-		fracpart = modf(dnum, &intpart);
-		x = PyLong_FromDouble(intpart);
-		if (x == NULL) {
-			Py_DECREF(sum);
-			return NULL;
-		}
+        dnum *= fracpart;
+        fracpart = modf(dnum, &intpart);
+        x = PyLong_FromDouble(intpart);
+        if (x == NULL) {
+            Py_DECREF(sum);
+            return NULL;
+        }
 
-		y = PyNumber_Add(sum, x);
-		Py_DECREF(sum);
-		Py_DECREF(x);
-		*leftover += fracpart;
-		return y;
-	}
+        y = PyNumber_Add(sum, x);
+        Py_DECREF(sum);
+        Py_DECREF(x);
+        *leftover += fracpart;
+        return y;
+    }
 
-	PyErr_Format(PyExc_TypeError,
-		     "unsupported type for timedelta %s component: %s",
-		     tag, Py_TYPE(num)->tp_name);
-	return NULL;
+    PyErr_Format(PyExc_TypeError,
+                 "unsupported type for timedelta %s component: %s",
+                 tag, Py_TYPE(num)->tp_name);
+    return NULL;
 }
 
 static PyObject *
 delta_new(PyTypeObject *type, PyObject *args, PyObject *kw)
 {
-	PyObject *self = NULL;
+    PyObject *self = NULL;
 
-	/* Argument objects. */
-	PyObject *day = NULL;
-	PyObject *second = NULL;
-	PyObject *us = NULL;
-	PyObject *ms = NULL;
-	PyObject *minute = NULL;
-	PyObject *hour = NULL;
-	PyObject *week = NULL;
+    /* Argument objects. */
+    PyObject *day = NULL;
+    PyObject *second = NULL;
+    PyObject *us = NULL;
+    PyObject *ms = NULL;
+    PyObject *minute = NULL;
+    PyObject *hour = NULL;
+    PyObject *week = NULL;
 
-	PyObject *x = NULL;	/* running sum of microseconds */
-	PyObject *y = NULL;	/* temp sum of microseconds */
-	double leftover_us = 0.0;
+    PyObject *x = NULL;         /* running sum of microseconds */
+    PyObject *y = NULL;         /* temp sum of microseconds */
+    double leftover_us = 0.0;
 
-	static char *keywords[] = {
-		"days", "seconds", "microseconds", "milliseconds",
-		"minutes", "hours", "weeks", NULL
-	};
+    static char *keywords[] = {
+        "days", "seconds", "microseconds", "milliseconds",
+        "minutes", "hours", "weeks", NULL
+    };
 
-	if (PyArg_ParseTupleAndKeywords(args, kw, "|OOOOOOO:__new__",
-					keywords,
-					&day, &second, &us,
-					&ms, &minute, &hour, &week) == 0)
-		goto Done;
+    if (PyArg_ParseTupleAndKeywords(args, kw, "|OOOOOOO:__new__",
+                                    keywords,
+                                    &day, &second, &us,
+                                    &ms, &minute, &hour, &week) == 0)
+        goto Done;
 
-	x = PyInt_FromLong(0);
-	if (x == NULL)
-		goto Done;
+    x = PyInt_FromLong(0);
+    if (x == NULL)
+        goto Done;
 
-#define CLEANUP 	\
-	Py_DECREF(x);	\
-	x = y;		\
-	if (x == NULL)	\
-		goto Done
+#define CLEANUP         \
+    Py_DECREF(x);       \
+    x = y;              \
+    if (x == NULL)      \
+        goto Done
 
-	if (us) {
-		y = accum("microseconds", x, us, us_per_us, &leftover_us);
-		CLEANUP;
-	}
-	if (ms) {
-		y = accum("milliseconds", x, ms, us_per_ms, &leftover_us);
-		CLEANUP;
-	}
-	if (second) {
-		y = accum("seconds", x, second, us_per_second, &leftover_us);
-		CLEANUP;
-	}
-	if (minute) {
-		y = accum("minutes", x, minute, us_per_minute, &leftover_us);
-		CLEANUP;
-	}
-	if (hour) {
-		y = accum("hours", x, hour, us_per_hour, &leftover_us);
-		CLEANUP;
-	}
-	if (day) {
-		y = accum("days", x, day, us_per_day, &leftover_us);
-		CLEANUP;
-	}
-	if (week) {
-		y = accum("weeks", x, week, us_per_week, &leftover_us);
-		CLEANUP;
-	}
-	if (leftover_us) {
-		/* Round to nearest whole # of us, and add into x. */
-		PyObject *temp = PyLong_FromLong(round_to_long(leftover_us));
-		if (temp == NULL) {
-			Py_DECREF(x);
-			goto Done;
-		}
-		y = PyNumber_Add(x, temp);
-		Py_DECREF(temp);
-		CLEANUP;
-	}
+    if (us) {
+        y = accum("microseconds", x, us, us_per_us, &leftover_us);
+        CLEANUP;
+    }
+    if (ms) {
+        y = accum("milliseconds", x, ms, us_per_ms, &leftover_us);
+        CLEANUP;
+    }
+    if (second) {
+        y = accum("seconds", x, second, us_per_second, &leftover_us);
+        CLEANUP;
+    }
+    if (minute) {
+        y = accum("minutes", x, minute, us_per_minute, &leftover_us);
+        CLEANUP;
+    }
+    if (hour) {
+        y = accum("hours", x, hour, us_per_hour, &leftover_us);
+        CLEANUP;
+    }
+    if (day) {
+        y = accum("days", x, day, us_per_day, &leftover_us);
+        CLEANUP;
+    }
+    if (week) {
+        y = accum("weeks", x, week, us_per_week, &leftover_us);
+        CLEANUP;
+    }
+    if (leftover_us) {
+        /* Round to nearest whole # of us, and add into x. */
+        PyObject *temp = PyLong_FromLong(round_to_long(leftover_us));
+        if (temp == NULL) {
+            Py_DECREF(x);
+            goto Done;
+        }
+        y = PyNumber_Add(x, temp);
+        Py_DECREF(temp);
+        CLEANUP;
+    }
 
-	self = microseconds_to_delta_ex(x, type);
-	Py_DECREF(x);
+    self = microseconds_to_delta_ex(x, type);
+    Py_DECREF(x);
 Done:
-	return self;
+    return self;
 
 #undef CLEANUP
 }
@@ -2011,75 +2011,75 @@
 static int
 delta_nonzero(PyDateTime_Delta *self)
 {
-	return (GET_TD_DAYS(self) != 0
-		|| GET_TD_SECONDS(self) != 0
-		|| GET_TD_MICROSECONDS(self) != 0);
+    return (GET_TD_DAYS(self) != 0
+        || GET_TD_SECONDS(self) != 0
+        || GET_TD_MICROSECONDS(self) != 0);
 }
 
 static PyObject *
 delta_repr(PyDateTime_Delta *self)
 {
-	if (GET_TD_MICROSECONDS(self) != 0)
-		return PyString_FromFormat("%s(%d, %d, %d)",
-					   Py_TYPE(self)->tp_name,
-					   GET_TD_DAYS(self),
-					   GET_TD_SECONDS(self),
-					   GET_TD_MICROSECONDS(self));
-	if (GET_TD_SECONDS(self) != 0)
-		return PyString_FromFormat("%s(%d, %d)",
-					   Py_TYPE(self)->tp_name,
-					   GET_TD_DAYS(self),
-					   GET_TD_SECONDS(self));
+    if (GET_TD_MICROSECONDS(self) != 0)
+        return PyString_FromFormat("%s(%d, %d, %d)",
+                                   Py_TYPE(self)->tp_name,
+                                   GET_TD_DAYS(self),
+                                   GET_TD_SECONDS(self),
+                                   GET_TD_MICROSECONDS(self));
+    if (GET_TD_SECONDS(self) != 0)
+        return PyString_FromFormat("%s(%d, %d)",
+                                   Py_TYPE(self)->tp_name,
+                                   GET_TD_DAYS(self),
+                                   GET_TD_SECONDS(self));
 
-	return PyString_FromFormat("%s(%d)",
-				   Py_TYPE(self)->tp_name,
-				   GET_TD_DAYS(self));
+    return PyString_FromFormat("%s(%d)",
+                               Py_TYPE(self)->tp_name,
+                               GET_TD_DAYS(self));
 }
 
 static PyObject *
 delta_str(PyDateTime_Delta *self)
 {
-	int days = GET_TD_DAYS(self);
-	int seconds = GET_TD_SECONDS(self);
-	int us = GET_TD_MICROSECONDS(self);
-	int hours;
-	int minutes;
-	char buf[100];
-	char *pbuf = buf;
-	size_t buflen = sizeof(buf);
-	int n;
+    int days = GET_TD_DAYS(self);
+    int seconds = GET_TD_SECONDS(self);
+    int us = GET_TD_MICROSECONDS(self);
+    int hours;
+    int minutes;
+    char buf[100];
+    char *pbuf = buf;
+    size_t buflen = sizeof(buf);
+    int n;
 
-	minutes = divmod(seconds, 60, &seconds);
-	hours = divmod(minutes, 60, &minutes);
+    minutes = divmod(seconds, 60, &seconds);
+    hours = divmod(minutes, 60, &minutes);
 
-	if (days) {
-		n = PyOS_snprintf(pbuf, buflen, "%d day%s, ", days,
-				  (days == 1 || days == -1) ? "" : "s");
-		if (n < 0 || (size_t)n >= buflen)
-			goto Fail;
-		pbuf += n;
-		buflen -= (size_t)n;
-	}
+    if (days) {
+        n = PyOS_snprintf(pbuf, buflen, "%d day%s, ", days,
+                          (days == 1 || days == -1) ? "" : "s");
+        if (n < 0 || (size_t)n >= buflen)
+            goto Fail;
+        pbuf += n;
+        buflen -= (size_t)n;
+    }
 
-	n = PyOS_snprintf(pbuf, buflen, "%d:%02d:%02d",
-			  hours, minutes, seconds);
-	if (n < 0 || (size_t)n >= buflen)
-		goto Fail;
-	pbuf += n;
-	buflen -= (size_t)n;
+    n = PyOS_snprintf(pbuf, buflen, "%d:%02d:%02d",
+                      hours, minutes, seconds);
+    if (n < 0 || (size_t)n >= buflen)
+        goto Fail;
+    pbuf += n;
+    buflen -= (size_t)n;
 
-	if (us) {
-		n = PyOS_snprintf(pbuf, buflen, ".%06d", us);
-		if (n < 0 || (size_t)n >= buflen)
-			goto Fail;
-		pbuf += n;
-	}
+    if (us) {
+        n = PyOS_snprintf(pbuf, buflen, ".%06d", us);
+        if (n < 0 || (size_t)n >= buflen)
+            goto Fail;
+        pbuf += n;
+    }
 
-	return PyString_FromStringAndSize(buf, pbuf - buf);
+    return PyString_FromStringAndSize(buf, pbuf - buf);
 
  Fail:
-	PyErr_SetString(PyExc_SystemError, "goofy result from PyOS_snprintf");
-	return NULL;
+    PyErr_SetString(PyExc_SystemError, "goofy result from PyOS_snprintf");
+    return NULL;
 }
 
 /* Pickle support, a simple use of __reduce__. */
@@ -2088,151 +2088,151 @@
 static PyObject *
 delta_getstate(PyDateTime_Delta *self)
 {
-	return Py_BuildValue("iii", GET_TD_DAYS(self),
-				    GET_TD_SECONDS(self),
-				    GET_TD_MICROSECONDS(self));
+    return Py_BuildValue("iii", GET_TD_DAYS(self),
+                                GET_TD_SECONDS(self),
+                                GET_TD_MICROSECONDS(self));
 }
 
 static PyObject *
 delta_total_seconds(PyObject *self)
 {
-	PyObject *total_seconds;
-	PyObject *total_microseconds;
-	PyObject *one_million;
+    PyObject *total_seconds;
+    PyObject *total_microseconds;
+    PyObject *one_million;
 
-	total_microseconds = delta_to_microseconds((PyDateTime_Delta *)self);
-	if (total_microseconds == NULL)
-		return NULL;
+    total_microseconds = delta_to_microseconds((PyDateTime_Delta *)self);
+    if (total_microseconds == NULL)
+        return NULL;
 
-	one_million = PyLong_FromLong(1000000L);
-	if (one_million == NULL) {
-		Py_DECREF(total_microseconds);
-		return NULL;
-	}
+    one_million = PyLong_FromLong(1000000L);
+    if (one_million == NULL) {
+        Py_DECREF(total_microseconds);
+        return NULL;
+    }
 
-	total_seconds = PyNumber_TrueDivide(total_microseconds, one_million);
+    total_seconds = PyNumber_TrueDivide(total_microseconds, one_million);
 
-	Py_DECREF(total_microseconds);
-	Py_DECREF(one_million);
-	return total_seconds;
+    Py_DECREF(total_microseconds);
+    Py_DECREF(one_million);
+    return total_seconds;
 }
 
 static PyObject *
 delta_reduce(PyDateTime_Delta* self)
 {
-	return Py_BuildValue("ON", Py_TYPE(self), delta_getstate(self));
+    return Py_BuildValue("ON", Py_TYPE(self), delta_getstate(self));
 }
 
 #define OFFSET(field)  offsetof(PyDateTime_Delta, field)
 
 static PyMemberDef delta_members[] = {
 
-	{"days",         T_INT, OFFSET(days),         READONLY,
-	 PyDoc_STR("Number of days.")},
+    {"days",         T_INT, OFFSET(days),         READONLY,
+     PyDoc_STR("Number of days.")},
 
-	{"seconds",      T_INT, OFFSET(seconds),      READONLY,
-	 PyDoc_STR("Number of seconds (>= 0 and less than 1 day).")},
+    {"seconds",      T_INT, OFFSET(seconds),      READONLY,
+     PyDoc_STR("Number of seconds (>= 0 and less than 1 day).")},
 
-	{"microseconds", T_INT, OFFSET(microseconds), READONLY,
-	 PyDoc_STR("Number of microseconds (>= 0 and less than 1 second).")},
-	{NULL}
+    {"microseconds", T_INT, OFFSET(microseconds), READONLY,
+     PyDoc_STR("Number of microseconds (>= 0 and less than 1 second).")},
+    {NULL}
 };
 
 static PyMethodDef delta_methods[] = {
-	{"total_seconds", (PyCFunction)delta_total_seconds, METH_NOARGS,
-	 PyDoc_STR("Total seconds in the duration.")},
+    {"total_seconds", (PyCFunction)delta_total_seconds, METH_NOARGS,
+     PyDoc_STR("Total seconds in the duration.")},
 
-	{"__reduce__", (PyCFunction)delta_reduce, METH_NOARGS,
-	 PyDoc_STR("__reduce__() -> (cls, state)")},
+    {"__reduce__", (PyCFunction)delta_reduce, METH_NOARGS,
+     PyDoc_STR("__reduce__() -> (cls, state)")},
 
-	{NULL,	NULL},
+    {NULL,      NULL},
 };
 
 static char delta_doc[] =
 PyDoc_STR("Difference between two datetime values.");
 
 static PyNumberMethods delta_as_number = {
-	delta_add,				/* nb_add */
-	delta_subtract,				/* nb_subtract */
-	delta_multiply,				/* nb_multiply */
-	delta_divide,				/* nb_divide */
-	0,					/* nb_remainder */
-	0,					/* nb_divmod */
-	0,					/* nb_power */
-	(unaryfunc)delta_negative,		/* nb_negative */
-	(unaryfunc)delta_positive,		/* nb_positive */
-	(unaryfunc)delta_abs,			/* nb_absolute */
-	(inquiry)delta_nonzero,			/* nb_nonzero */
-	0,					/*nb_invert*/
-	0,					/*nb_lshift*/
-	0,					/*nb_rshift*/
-	0,					/*nb_and*/
-	0,					/*nb_xor*/
-	0,					/*nb_or*/
-	0,					/*nb_coerce*/
-	0,					/*nb_int*/
-	0,					/*nb_long*/
-	0,					/*nb_float*/
-	0,					/*nb_oct*/
-	0, 					/*nb_hex*/
-	0,					/*nb_inplace_add*/
-	0,					/*nb_inplace_subtract*/
-	0,					/*nb_inplace_multiply*/
-	0,					/*nb_inplace_divide*/
-	0,					/*nb_inplace_remainder*/
-	0,					/*nb_inplace_power*/
-	0,					/*nb_inplace_lshift*/
-	0,					/*nb_inplace_rshift*/
-	0,					/*nb_inplace_and*/
-	0,					/*nb_inplace_xor*/
-	0,					/*nb_inplace_or*/
-	delta_divide,				/* nb_floor_divide */
-	0,					/* nb_true_divide */
-	0,					/* nb_inplace_floor_divide */
-	0,					/* nb_inplace_true_divide */
+    delta_add,                                  /* nb_add */
+    delta_subtract,                             /* nb_subtract */
+    delta_multiply,                             /* nb_multiply */
+    delta_divide,                               /* nb_divide */
+    0,                                          /* nb_remainder */
+    0,                                          /* nb_divmod */
+    0,                                          /* nb_power */
+    (unaryfunc)delta_negative,                  /* nb_negative */
+    (unaryfunc)delta_positive,                  /* nb_positive */
+    (unaryfunc)delta_abs,                       /* nb_absolute */
+    (inquiry)delta_nonzero,                     /* nb_nonzero */
+    0,                                          /*nb_invert*/
+    0,                                          /*nb_lshift*/
+    0,                                          /*nb_rshift*/
+    0,                                          /*nb_and*/
+    0,                                          /*nb_xor*/
+    0,                                          /*nb_or*/
+    0,                                          /*nb_coerce*/
+    0,                                          /*nb_int*/
+    0,                                          /*nb_long*/
+    0,                                          /*nb_float*/
+    0,                                          /*nb_oct*/
+    0,                                          /*nb_hex*/
+    0,                                          /*nb_inplace_add*/
+    0,                                          /*nb_inplace_subtract*/
+    0,                                          /*nb_inplace_multiply*/
+    0,                                          /*nb_inplace_divide*/
+    0,                                          /*nb_inplace_remainder*/
+    0,                                          /*nb_inplace_power*/
+    0,                                          /*nb_inplace_lshift*/
+    0,                                          /*nb_inplace_rshift*/
+    0,                                          /*nb_inplace_and*/
+    0,                                          /*nb_inplace_xor*/
+    0,                                          /*nb_inplace_or*/
+    delta_divide,                               /* nb_floor_divide */
+    0,                                          /* nb_true_divide */
+    0,                                          /* nb_inplace_floor_divide */
+    0,                                          /* nb_inplace_true_divide */
 };
 
 static PyTypeObject PyDateTime_DeltaType = {
-	PyVarObject_HEAD_INIT(NULL, 0)
-	"datetime.timedelta",				/* tp_name */
-	sizeof(PyDateTime_Delta),			/* tp_basicsize */
-	0,						/* tp_itemsize */
-	0,						/* tp_dealloc */
-	0,						/* tp_print */
-	0,						/* tp_getattr */
-	0,						/* tp_setattr */
-	0,						/* tp_compare */
-	(reprfunc)delta_repr,				/* tp_repr */
-	&delta_as_number,				/* tp_as_number */
-	0,						/* tp_as_sequence */
-	0,						/* tp_as_mapping */
-	(hashfunc)delta_hash,				/* tp_hash */
-	0,              				/* tp_call */
-	(reprfunc)delta_str,				/* tp_str */
-	PyObject_GenericGetAttr,			/* tp_getattro */
-	0,						/* tp_setattro */
-	0,						/* tp_as_buffer */
-	Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
-	        Py_TPFLAGS_BASETYPE,			/* tp_flags */
-	delta_doc,					/* tp_doc */
-	0,						/* tp_traverse */
-	0,						/* tp_clear */
-	(richcmpfunc)delta_richcompare,			/* tp_richcompare */
-	0,						/* tp_weaklistoffset */
-	0,						/* tp_iter */
-	0,						/* tp_iternext */
-	delta_methods,					/* tp_methods */
-	delta_members,					/* tp_members */
-	0,						/* tp_getset */
-	0,						/* tp_base */
-	0,						/* tp_dict */
-	0,						/* tp_descr_get */
-	0,						/* tp_descr_set */
-	0,						/* tp_dictoffset */
-	0,						/* tp_init */
-	0,						/* tp_alloc */
-	delta_new,					/* tp_new */
-	0,						/* tp_free */
+    PyVarObject_HEAD_INIT(NULL, 0)
+    "datetime.timedelta",                               /* tp_name */
+    sizeof(PyDateTime_Delta),                           /* tp_basicsize */
+    0,                                                  /* tp_itemsize */
+    0,                                                  /* tp_dealloc */
+    0,                                                  /* tp_print */
+    0,                                                  /* tp_getattr */
+    0,                                                  /* tp_setattr */
+    0,                                                  /* tp_compare */
+    (reprfunc)delta_repr,                               /* tp_repr */
+    &delta_as_number,                                   /* tp_as_number */
+    0,                                                  /* tp_as_sequence */
+    0,                                                  /* tp_as_mapping */
+    (hashfunc)delta_hash,                               /* tp_hash */
+    0,                                                  /* tp_call */
+    (reprfunc)delta_str,                                /* tp_str */
+    PyObject_GenericGetAttr,                            /* tp_getattro */
+    0,                                                  /* tp_setattro */
+    0,                                                  /* tp_as_buffer */
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
+        Py_TPFLAGS_BASETYPE,                            /* tp_flags */
+    delta_doc,                                          /* tp_doc */
+    0,                                                  /* tp_traverse */
+    0,                                                  /* tp_clear */
+    (richcmpfunc)delta_richcompare,                     /* tp_richcompare */
+    0,                                                  /* tp_weaklistoffset */
+    0,                                                  /* tp_iter */
+    0,                                                  /* tp_iternext */
+    delta_methods,                                      /* tp_methods */
+    delta_members,                                      /* tp_members */
+    0,                                                  /* tp_getset */
+    0,                                                  /* tp_base */
+    0,                                                  /* tp_dict */
+    0,                                                  /* tp_descr_get */
+    0,                                                  /* tp_descr_set */
+    0,                                                  /* tp_dictoffset */
+    0,                                                  /* tp_init */
+    0,                                                  /* tp_alloc */
+    delta_new,                                          /* tp_new */
+    0,                                                  /* tp_free */
 };
 
 /*
@@ -2244,26 +2244,26 @@
 static PyObject *
 date_year(PyDateTime_Date *self, void *unused)
 {
-	return PyInt_FromLong(GET_YEAR(self));
+    return PyInt_FromLong(GET_YEAR(self));
 }
 
 static PyObject *
 date_month(PyDateTime_Date *self, void *unused)
 {
-	return PyInt_FromLong(GET_MONTH(self));
+    return PyInt_FromLong(GET_MONTH(self));
 }
 
 static PyObject *
 date_day(PyDateTime_Date *self, void *unused)
 {
-	return PyInt_FromLong(GET_DAY(self));
+    return PyInt_FromLong(GET_DAY(self));
 }
 
 static PyGetSetDef date_getset[] = {
-	{"year",        (getter)date_year},
-	{"month",       (getter)date_month},
-	{"day",         (getter)date_day},
-	{NULL}
+    {"year",        (getter)date_year},
+    {"month",       (getter)date_month},
+    {"day",         (getter)date_day},
+    {NULL}
 };
 
 /* Constructors. */
@@ -2273,60 +2273,60 @@
 static PyObject *
 date_new(PyTypeObject *type, PyObject *args, PyObject *kw)
 {
-	PyObject *self = NULL;
-	PyObject *state;
-	int year;
-	int month;
-	int day;
+    PyObject *self = NULL;
+    PyObject *state;
+    int year;
+    int month;
+    int day;
 
-	/* Check for invocation from pickle with __getstate__ state */
-	if (PyTuple_GET_SIZE(args) == 1 &&
-	    PyString_Check(state = PyTuple_GET_ITEM(args, 0)) &&
-	    PyString_GET_SIZE(state) == _PyDateTime_DATE_DATASIZE &&
-	    MONTH_IS_SANE(PyString_AS_STRING(state)[2]))
-	{
-	    	PyDateTime_Date *me;
+    /* Check for invocation from pickle with __getstate__ state */
+    if (PyTuple_GET_SIZE(args) == 1 &&
+        PyString_Check(state = PyTuple_GET_ITEM(args, 0)) &&
+        PyString_GET_SIZE(state) == _PyDateTime_DATE_DATASIZE &&
+        MONTH_IS_SANE(PyString_AS_STRING(state)[2]))
+    {
+        PyDateTime_Date *me;
 
-		me = (PyDateTime_Date *) (type->tp_alloc(type, 0));
-		if (me != NULL) {
-			char *pdata = PyString_AS_STRING(state);
-			memcpy(me->data, pdata, _PyDateTime_DATE_DATASIZE);
-			me->hashcode = -1;
-		}
-		return (PyObject *)me;
-	}
+        me = (PyDateTime_Date *) (type->tp_alloc(type, 0));
+        if (me != NULL) {
+            char *pdata = PyString_AS_STRING(state);
+            memcpy(me->data, pdata, _PyDateTime_DATE_DATASIZE);
+            me->hashcode = -1;
+        }
+        return (PyObject *)me;
+    }
 
-	if (PyArg_ParseTupleAndKeywords(args, kw, "iii", date_kws,
-					&year, &month, &day)) {
-		if (check_date_args(year, month, day) < 0)
-			return NULL;
-		self = new_date_ex(year, month, day, type);
-	}
-	return self;
+    if (PyArg_ParseTupleAndKeywords(args, kw, "iii", date_kws,
+                                    &year, &month, &day)) {
+        if (check_date_args(year, month, day) < 0)
+            return NULL;
+        self = new_date_ex(year, month, day, type);
+    }
+    return self;
 }
 
 /* Return new date from localtime(t). */
 static PyObject *
 date_local_from_time_t(PyObject *cls, double ts)
 {
-	struct tm *tm;
-	time_t t;
-	PyObject *result = NULL;
+    struct tm *tm;
+    time_t t;
+    PyObject *result = NULL;
 
-	t = _PyTime_DoubleToTimet(ts);
-	if (t == (time_t)-1 && PyErr_Occurred())
-		return NULL;
-	tm = localtime(&t);
-	if (tm)
-		result = PyObject_CallFunction(cls, "iii",
-					       tm->tm_year + 1900,
-					       tm->tm_mon + 1,
-					       tm->tm_mday);
-	else
-		PyErr_SetString(PyExc_ValueError,
-				"timestamp out of range for "
-				"platform localtime() function");
-	return result;
+    t = _PyTime_DoubleToTimet(ts);
+    if (t == (time_t)-1 && PyErr_Occurred())
+        return NULL;
+    tm = localtime(&t);
+    if (tm)
+        result = PyObject_CallFunction(cls, "iii",
+                                       tm->tm_year + 1900,
+                                       tm->tm_mon + 1,
+                                       tm->tm_mday);
+    else
+        PyErr_SetString(PyExc_ValueError,
+                        "timestamp out of range for "
+                        "platform localtime() function");
+    return result;
 }
 
 /* Return new date from current time.
@@ -2337,34 +2337,34 @@
 static PyObject *
 date_today(PyObject *cls, PyObject *dummy)
 {
-	PyObject *time;
-	PyObject *result;
+    PyObject *time;
+    PyObject *result;
 
-	time = time_time();
-	if (time == NULL)
-		return NULL;
+    time = time_time();
+    if (time == NULL)
+        return NULL;
 
-	/* Note well:  today() is a class method, so this may not call
-	 * date.fromtimestamp.  For example, it may call
-	 * datetime.fromtimestamp.  That's why we need all the accuracy
-	 * time.time() delivers; if someone were gonzo about optimization,
-	 * date.today() could get away with plain C time().
-	 */
-	result = PyObject_CallMethod(cls, "fromtimestamp", "O", time);
-	Py_DECREF(time);
-	return result;
+    /* Note well:  today() is a class method, so this may not call
+     * date.fromtimestamp.  For example, it may call
+     * datetime.fromtimestamp.  That's why we need all the accuracy
+     * time.time() delivers; if someone were gonzo about optimization,
+     * date.today() could get away with plain C time().
+     */
+    result = PyObject_CallMethod(cls, "fromtimestamp", "O", time);
+    Py_DECREF(time);
+    return result;
 }
 
 /* Return new date from given timestamp (Python timestamp -- a double). */
 static PyObject *
 date_fromtimestamp(PyObject *cls, PyObject *args)
 {
-	double timestamp;
-	PyObject *result = NULL;
+    double timestamp;
+    PyObject *result = NULL;
 
-	if (PyArg_ParseTuple(args, "d:fromtimestamp", &timestamp))
-		result = date_local_from_time_t(cls, timestamp);
-	return result;
+    if (PyArg_ParseTuple(args, "d:fromtimestamp", &timestamp))
+        result = date_local_from_time_t(cls, timestamp);
+    return result;
 }
 
 /* Return new date from proleptic Gregorian ordinal.  Raises ValueError if
@@ -2373,24 +2373,24 @@
 static PyObject *
 date_fromordinal(PyObject *cls, PyObject *args)
 {
-	PyObject *result = NULL;
-	int ordinal;
+    PyObject *result = NULL;
+    int ordinal;
 
-	if (PyArg_ParseTuple(args, "i:fromordinal", &ordinal)) {
-		int year;
-		int month;
-		int day;
+    if (PyArg_ParseTuple(args, "i:fromordinal", &ordinal)) {
+        int year;
+        int month;
+        int day;
 
-		if (ordinal < 1)
-			PyErr_SetString(PyExc_ValueError, "ordinal must be "
-							  ">= 1");
-		else {
-			ord_to_ymd(ordinal, &year, &month, &day);
-			result = PyObject_CallFunction(cls, "iii",
-						       year, month, day);
-		}
-	}
-	return result;
+        if (ordinal < 1)
+            PyErr_SetString(PyExc_ValueError, "ordinal must be "
+                                              ">= 1");
+        else {
+            ord_to_ymd(ordinal, &year, &month, &day);
+            result = PyObject_CallFunction(cls, "iii",
+                                           year, month, day);
+        }
+    }
+    return result;
 }
 
 /*
@@ -2403,74 +2403,74 @@
 static PyObject *
 add_date_timedelta(PyDateTime_Date *date, PyDateTime_Delta *delta, int negate)
 {
-	PyObject *result = NULL;
-	int year = GET_YEAR(date);
-	int month = GET_MONTH(date);
-	int deltadays = GET_TD_DAYS(delta);
-	/* C-level overflow is impossible because |deltadays| < 1e9. */
-	int day = GET_DAY(date) + (negate ? -deltadays : deltadays);
+    PyObject *result = NULL;
+    int year = GET_YEAR(date);
+    int month = GET_MONTH(date);
+    int deltadays = GET_TD_DAYS(delta);
+    /* C-level overflow is impossible because |deltadays| < 1e9. */
+    int day = GET_DAY(date) + (negate ? -deltadays : deltadays);
 
-	if (normalize_date(&year, &month, &day) >= 0)
-		result = new_date(year, month, day);
-	return result;
+    if (normalize_date(&year, &month, &day) >= 0)
+        result = new_date(year, month, day);
+    return result;
 }
 
 static PyObject *
 date_add(PyObject *left, PyObject *right)
 {
-	if (PyDateTime_Check(left) || PyDateTime_Check(right)) {
-		Py_INCREF(Py_NotImplemented);
-		return Py_NotImplemented;
-	}
-	if (PyDate_Check(left)) {
-		/* date + ??? */
-		if (PyDelta_Check(right))
-			/* date + delta */
-			return add_date_timedelta((PyDateTime_Date *) left,
-						  (PyDateTime_Delta *) right,
-						  0);
-	}
-	else {
-		/* ??? + date
-		 * 'right' must be one of us, or we wouldn't have been called
-		 */
-		if (PyDelta_Check(left))
-			/* delta + date */
-			return add_date_timedelta((PyDateTime_Date *) right,
-						  (PyDateTime_Delta *) left,
-						  0);
-	}
-	Py_INCREF(Py_NotImplemented);
-	return Py_NotImplemented;
+    if (PyDateTime_Check(left) || PyDateTime_Check(right)) {
+        Py_INCREF(Py_NotImplemented);
+        return Py_NotImplemented;
+    }
+    if (PyDate_Check(left)) {
+        /* date + ??? */
+        if (PyDelta_Check(right))
+            /* date + delta */
+            return add_date_timedelta((PyDateTime_Date *) left,
+                                      (PyDateTime_Delta *) right,
+                                      0);
+    }
+    else {
+        /* ??? + date
+         * 'right' must be one of us, or we wouldn't have been called
+         */
+        if (PyDelta_Check(left))
+            /* delta + date */
+            return add_date_timedelta((PyDateTime_Date *) right,
+                                      (PyDateTime_Delta *) left,
+                                      0);
+    }
+    Py_INCREF(Py_NotImplemented);
+    return Py_NotImplemented;
 }
 
 static PyObject *
 date_subtract(PyObject *left, PyObject *right)
 {
-	if (PyDateTime_Check(left) || PyDateTime_Check(right)) {
-		Py_INCREF(Py_NotImplemented);
-		return Py_NotImplemented;
-	}
-	if (PyDate_Check(left)) {
-		if (PyDate_Check(right)) {
-			/* date - date */
-			int left_ord = ymd_to_ord(GET_YEAR(left),
-						  GET_MONTH(left),
-						  GET_DAY(left));
-			int right_ord = ymd_to_ord(GET_YEAR(right),
-						   GET_MONTH(right),
-						   GET_DAY(right));
-			return new_delta(left_ord - right_ord, 0, 0, 0);
-		}
-		if (PyDelta_Check(right)) {
-			/* date - delta */
-			return add_date_timedelta((PyDateTime_Date *) left,
-						  (PyDateTime_Delta *) right,
-						  1);
-		}
-	}
-	Py_INCREF(Py_NotImplemented);
-	return Py_NotImplemented;
+    if (PyDateTime_Check(left) || PyDateTime_Check(right)) {
+        Py_INCREF(Py_NotImplemented);
+        return Py_NotImplemented;
+    }
+    if (PyDate_Check(left)) {
+        if (PyDate_Check(right)) {
+            /* date - date */
+            int left_ord = ymd_to_ord(GET_YEAR(left),
+                                      GET_MONTH(left),
+                                      GET_DAY(left));
+            int right_ord = ymd_to_ord(GET_YEAR(right),
+                                       GET_MONTH(right),
+                                       GET_DAY(right));
+            return new_delta(left_ord - right_ord, 0, 0, 0);
+        }
+        if (PyDelta_Check(right)) {
+            /* date - delta */
+            return add_date_timedelta((PyDateTime_Date *) left,
+                                      (PyDateTime_Delta *) right,
+                                      1);
+        }
+    }
+    Py_INCREF(Py_NotImplemented);
+    return Py_NotImplemented;
 }
 
 
@@ -2479,89 +2479,89 @@
 static PyObject *
 date_repr(PyDateTime_Date *self)
 {
-	char buffer[1028];
-	const char *type_name;
+    char buffer[1028];
+    const char *type_name;
 
-	type_name = Py_TYPE(self)->tp_name;
-	PyOS_snprintf(buffer, sizeof(buffer), "%s(%d, %d, %d)",
-		      type_name,
-		      GET_YEAR(self), GET_MONTH(self), GET_DAY(self));
+    type_name = Py_TYPE(self)->tp_name;
+    PyOS_snprintf(buffer, sizeof(buffer), "%s(%d, %d, %d)",
+                  type_name,
+                  GET_YEAR(self), GET_MONTH(self), GET_DAY(self));
 
-	return PyString_FromString(buffer);
+    return PyString_FromString(buffer);
 }
 
 static PyObject *
 date_isoformat(PyDateTime_Date *self)
 {
-	char buffer[128];
+    char buffer[128];
 
-	isoformat_date(self, buffer, sizeof(buffer));
-	return PyString_FromString(buffer);
+    isoformat_date(self, buffer, sizeof(buffer));
+    return PyString_FromString(buffer);
 }
 
 /* str() calls the appropriate isoformat() method. */
 static PyObject *
 date_str(PyDateTime_Date *self)
 {
-	return PyObject_CallMethod((PyObject *)self, "isoformat", "()");
+    return PyObject_CallMethod((PyObject *)self, "isoformat", "()");
 }
 
 
 static PyObject *
 date_ctime(PyDateTime_Date *self)
 {
-	return format_ctime(self, 0, 0, 0);
+    return format_ctime(self, 0, 0, 0);
 }
 
 static PyObject *
 date_strftime(PyDateTime_Date *self, PyObject *args, PyObject *kw)
 {
-	/* This method can be inherited, and needs to call the
-	 * timetuple() method appropriate to self's class.
-	 */
-	PyObject *result;
-	PyObject *tuple;
-	const char *format;
-	Py_ssize_t format_len;
-	static char *keywords[] = {"format", NULL};
+    /* This method can be inherited, and needs to call the
+     * timetuple() method appropriate to self's class.
+     */
+    PyObject *result;
+    PyObject *tuple;
+    const char *format;
+    Py_ssize_t format_len;
+    static char *keywords[] = {"format", NULL};
 
-	if (! PyArg_ParseTupleAndKeywords(args, kw, "s#:strftime", keywords,
-					  &format, &format_len))
-		return NULL;
+    if (! PyArg_ParseTupleAndKeywords(args, kw, "s#:strftime", keywords,
+                                      &format, &format_len))
+        return NULL;
 
-	tuple = PyObject_CallMethod((PyObject *)self, "timetuple", "()");
-	if (tuple == NULL)
-		return NULL;
-	result = wrap_strftime((PyObject *)self, format, format_len, tuple,
-			       (PyObject *)self);
-	Py_DECREF(tuple);
-	return result;
+    tuple = PyObject_CallMethod((PyObject *)self, "timetuple", "()");
+    if (tuple == NULL)
+        return NULL;
+    result = wrap_strftime((PyObject *)self, format, format_len, tuple,
+                           (PyObject *)self);
+    Py_DECREF(tuple);
+    return result;
 }
 
 static PyObject *
 date_format(PyDateTime_Date *self, PyObject *args)
 {
-	PyObject *format;
+    PyObject *format;
 
-	if (!PyArg_ParseTuple(args, "O:__format__", &format))
-		return NULL;
+    if (!PyArg_ParseTuple(args, "O:__format__", &format))
+        return NULL;
 
-	/* Check for str or unicode */
-	if (PyString_Check(format)) {
-                /* If format is zero length, return str(self) */
-		if (PyString_GET_SIZE(format) == 0)
-			return PyObject_Str((PyObject *)self);
-	} else if (PyUnicode_Check(format)) {
-                /* If format is zero length, return str(self) */
-		if (PyUnicode_GET_SIZE(format) == 0)
-			return PyObject_Unicode((PyObject *)self);
-	} else {
-		PyErr_Format(PyExc_ValueError,
-			     "__format__ expects str or unicode, not %.200s",
-			     Py_TYPE(format)->tp_name);
-		return NULL;
-	}
-	return PyObject_CallMethod((PyObject *)self, "strftime", "O", format);
+    /* Check for str or unicode */
+    if (PyString_Check(format)) {
+        /* If format is zero length, return str(self) */
+        if (PyString_GET_SIZE(format) == 0)
+            return PyObject_Str((PyObject *)self);
+    } else if (PyUnicode_Check(format)) {
+        /* If format is zero length, return str(self) */
+        if (PyUnicode_GET_SIZE(format) == 0)
+            return PyObject_Unicode((PyObject *)self);
+    } else {
+        PyErr_Format(PyExc_ValueError,
+                     "__format__ expects str or unicode, not %.200s",
+                     Py_TYPE(format)->tp_name);
+        return NULL;
+    }
+    return PyObject_CallMethod((PyObject *)self, "strftime", "O", format);
 }
 
 /* ISO methods. */
@@ -2569,31 +2569,31 @@
 static PyObject *
 date_isoweekday(PyDateTime_Date *self)
 {
-	int dow = weekday(GET_YEAR(self), GET_MONTH(self), GET_DAY(self));
+    int dow = weekday(GET_YEAR(self), GET_MONTH(self), GET_DAY(self));
 
-	return PyInt_FromLong(dow + 1);
+    return PyInt_FromLong(dow + 1);
 }
 
 static PyObject *
 date_isocalendar(PyDateTime_Date *self)
 {
-	int  year         = GET_YEAR(self);
-	int  week1_monday = iso_week1_monday(year);
-	int today         = ymd_to_ord(year, GET_MONTH(self), GET_DAY(self));
-	int  week;
-	int  day;
+    int  year         = GET_YEAR(self);
+    int  week1_monday = iso_week1_monday(year);
+    int today         = ymd_to_ord(year, GET_MONTH(self), GET_DAY(self));
+    int  week;
+    int  day;
 
-	week = divmod(today - week1_monday, 7, &day);
-	if (week < 0) {
-		--year;
-		week1_monday = iso_week1_monday(year);
-		week = divmod(today - week1_monday, 7, &day);
-	}
-	else if (week >= 52 && today >= iso_week1_monday(year + 1)) {
-		++year;
-		week = 0;
-	}
-	return Py_BuildValue("iii", year, week + 1, day + 1);
+    week = divmod(today - week1_monday, 7, &day);
+    if (week < 0) {
+        --year;
+        week1_monday = iso_week1_monday(year);
+        week = divmod(today - week1_monday, 7, &day);
+    }
+    else if (week >= 52 && today >= iso_week1_monday(year + 1)) {
+        ++year;
+        week = 0;
+    }
+    return Py_BuildValue("iii", year, week + 1, day + 1);
 }
 
 /* Miscellaneous methods. */
@@ -2605,53 +2605,53 @@
 static PyObject *
 date_richcompare(PyDateTime_Date *self, PyObject *other, int op)
 {
-	int diff = 42;	/* nonsense */
+    int diff = 42;      /* nonsense */
 
-	if (PyDate_Check(other))
-		diff = memcmp(self->data, ((PyDateTime_Date *)other)->data,
-			      _PyDateTime_DATE_DATASIZE);
+    if (PyDate_Check(other))
+        diff = memcmp(self->data, ((PyDateTime_Date *)other)->data,
+                      _PyDateTime_DATE_DATASIZE);
 
-	else if (PyObject_HasAttrString(other, "timetuple")) {
-		/* A hook for other kinds of date objects. */
-		Py_INCREF(Py_NotImplemented);
-		return Py_NotImplemented;
-	}
-	else if (op == Py_EQ || op == Py_NE)
-		diff = 1;	/* any non-zero value will do */
+    else if (PyObject_HasAttrString(other, "timetuple")) {
+        /* A hook for other kinds of date objects. */
+        Py_INCREF(Py_NotImplemented);
+        return Py_NotImplemented;
+    }
+    else if (op == Py_EQ || op == Py_NE)
+        diff = 1;               /* any non-zero value will do */
 
-	else /* stop this from falling back to address comparison */
-		return cmperror((PyObject *)self, other);
+    else /* stop this from falling back to address comparison */
+        return cmperror((PyObject *)self, other);
 
-	return diff_to_bool(diff, op);
+    return diff_to_bool(diff, op);
 }
 
 static PyObject *
 date_timetuple(PyDateTime_Date *self)
 {
-	return build_struct_time(GET_YEAR(self),
-				 GET_MONTH(self),
-				 GET_DAY(self),
-				 0, 0, 0, -1);
+    return build_struct_time(GET_YEAR(self),
+                             GET_MONTH(self),
+                             GET_DAY(self),
+                             0, 0, 0, -1);
 }
 
 static PyObject *
 date_replace(PyDateTime_Date *self, PyObject *args, PyObject *kw)
 {
-	PyObject *clone;
-	PyObject *tuple;
-	int year = GET_YEAR(self);
-	int month = GET_MONTH(self);
-	int day = GET_DAY(self);
+    PyObject *clone;
+    PyObject *tuple;
+    int year = GET_YEAR(self);
+    int month = GET_MONTH(self);
+    int day = GET_DAY(self);
 
-	if (! PyArg_ParseTupleAndKeywords(args, kw, "|iii:replace", date_kws,
-					  &year, &month, &day))
-		return NULL;
-	tuple = Py_BuildValue("iii", year, month, day);
-	if (tuple == NULL)
-		return NULL;
-	clone = date_new(Py_TYPE(self), tuple, NULL);
-	Py_DECREF(tuple);
-	return clone;
+    if (! PyArg_ParseTupleAndKeywords(args, kw, "|iii:replace", date_kws,
+                                      &year, &month, &day))
+        return NULL;
+    tuple = Py_BuildValue("iii", year, month, day);
+    if (tuple == NULL)
+        return NULL;
+    clone = date_new(Py_TYPE(self), tuple, NULL);
+    Py_DECREF(tuple);
+    return clone;
 }
 
 static PyObject *date_getstate(PyDateTime_Date *self);
@@ -2659,29 +2659,29 @@
 static long
 date_hash(PyDateTime_Date *self)
 {
-	if (self->hashcode == -1) {
-		PyObject *temp = date_getstate(self);
-		if (temp != NULL) {
-			self->hashcode = PyObject_Hash(temp);
-			Py_DECREF(temp);
-		}
-	}
-	return self->hashcode;
+    if (self->hashcode == -1) {
+        PyObject *temp = date_getstate(self);
+        if (temp != NULL) {
+            self->hashcode = PyObject_Hash(temp);
+            Py_DECREF(temp);
+        }
+    }
+    return self->hashcode;
 }
 
 static PyObject *
 date_toordinal(PyDateTime_Date *self)
 {
-	return PyInt_FromLong(ymd_to_ord(GET_YEAR(self), GET_MONTH(self),
-					 GET_DAY(self)));
+    return PyInt_FromLong(ymd_to_ord(GET_YEAR(self), GET_MONTH(self),
+                                     GET_DAY(self)));
 }
 
 static PyObject *
 date_weekday(PyDateTime_Date *self)
 {
-	int dow = weekday(GET_YEAR(self), GET_MONTH(self), GET_DAY(self));
+    int dow = weekday(GET_YEAR(self), GET_MONTH(self), GET_DAY(self));
 
-	return PyInt_FromLong(dow);
+    return PyInt_FromLong(dow);
 }
 
 /* Pickle support, a simple use of __reduce__. */
@@ -2690,136 +2690,136 @@
 static PyObject *
 date_getstate(PyDateTime_Date *self)
 {
-	return Py_BuildValue(
-		"(N)",
-		PyString_FromStringAndSize((char *)self->data,
-					   _PyDateTime_DATE_DATASIZE));
+    return Py_BuildValue(
+        "(N)",
+        PyString_FromStringAndSize((char *)self->data,
+                                   _PyDateTime_DATE_DATASIZE));
 }
 
 static PyObject *
 date_reduce(PyDateTime_Date *self, PyObject *arg)
 {
-	return Py_BuildValue("(ON)", Py_TYPE(self), date_getstate(self));
+    return Py_BuildValue("(ON)", Py_TYPE(self), date_getstate(self));
 }
 
 static PyMethodDef date_methods[] = {
 
-	/* Class methods: */
+    /* Class methods: */
 
-	{"fromtimestamp", (PyCFunction)date_fromtimestamp, METH_VARARGS |
-							   METH_CLASS,
-	 PyDoc_STR("timestamp -> local date from a POSIX timestamp (like "
-	 	   "time.time()).")},
+    {"fromtimestamp", (PyCFunction)date_fromtimestamp, METH_VARARGS |
+                                                       METH_CLASS,
+     PyDoc_STR("timestamp -> local date from a POSIX timestamp (like "
+               "time.time()).")},
 
-	{"fromordinal", (PyCFunction)date_fromordinal,	METH_VARARGS |
-							METH_CLASS,
-	 PyDoc_STR("int -> date corresponding to a proleptic Gregorian "
-	 	   "ordinal.")},
+    {"fromordinal", (PyCFunction)date_fromordinal,      METH_VARARGS |
+                                                    METH_CLASS,
+     PyDoc_STR("int -> date corresponding to a proleptic Gregorian "
+               "ordinal.")},
 
-	{"today",         (PyCFunction)date_today,   METH_NOARGS | METH_CLASS,
-	 PyDoc_STR("Current date or datetime:  same as "
-	 	   "self.__class__.fromtimestamp(time.time()).")},
+    {"today",         (PyCFunction)date_today,   METH_NOARGS | METH_CLASS,
+     PyDoc_STR("Current date or datetime:  same as "
+               "self.__class__.fromtimestamp(time.time()).")},
 
-	/* Instance methods: */
+    /* Instance methods: */
 
-	{"ctime",       (PyCFunction)date_ctime,        METH_NOARGS,
-	 PyDoc_STR("Return ctime() style string.")},
+    {"ctime",       (PyCFunction)date_ctime,        METH_NOARGS,
+     PyDoc_STR("Return ctime() style string.")},
 
-	{"strftime",   	(PyCFunction)date_strftime,	METH_VARARGS | METH_KEYWORDS,
-	 PyDoc_STR("format -> strftime() style string.")},
+    {"strftime",        (PyCFunction)date_strftime,     METH_VARARGS | METH_KEYWORDS,
+     PyDoc_STR("format -> strftime() style string.")},
 
-	{"__format__", 	(PyCFunction)date_format,	METH_VARARGS,
-	 PyDoc_STR("Formats self with strftime.")},
+    {"__format__",      (PyCFunction)date_format,       METH_VARARGS,
+     PyDoc_STR("Formats self with strftime.")},
 
-	{"timetuple",   (PyCFunction)date_timetuple,    METH_NOARGS,
-         PyDoc_STR("Return time tuple, compatible with time.localtime().")},
+    {"timetuple",   (PyCFunction)date_timetuple,    METH_NOARGS,
+     PyDoc_STR("Return time tuple, compatible with time.localtime().")},
 
-	{"isocalendar", (PyCFunction)date_isocalendar,  METH_NOARGS,
-	 PyDoc_STR("Return a 3-tuple containing ISO year, week number, and "
-	 	   "weekday.")},
+    {"isocalendar", (PyCFunction)date_isocalendar,  METH_NOARGS,
+     PyDoc_STR("Return a 3-tuple containing ISO year, week number, and "
+               "weekday.")},
 
-	{"isoformat",   (PyCFunction)date_isoformat,	METH_NOARGS,
-	 PyDoc_STR("Return string in ISO 8601 format, YYYY-MM-DD.")},
+    {"isoformat",   (PyCFunction)date_isoformat,        METH_NOARGS,
+     PyDoc_STR("Return string in ISO 8601 format, YYYY-MM-DD.")},
 
-	{"isoweekday",  (PyCFunction)date_isoweekday,   METH_NOARGS,
-	 PyDoc_STR("Return the day of the week represented by the date.\n"
-	 	   "Monday == 1 ... Sunday == 7")},
+    {"isoweekday",  (PyCFunction)date_isoweekday,   METH_NOARGS,
+     PyDoc_STR("Return the day of the week represented by the date.\n"
+               "Monday == 1 ... Sunday == 7")},
 
-	{"toordinal",   (PyCFunction)date_toordinal,    METH_NOARGS,
-	 PyDoc_STR("Return proleptic Gregorian ordinal.  January 1 of year "
-	 	   "1 is day 1.")},
+    {"toordinal",   (PyCFunction)date_toordinal,    METH_NOARGS,
+     PyDoc_STR("Return proleptic Gregorian ordinal.  January 1 of year "
+               "1 is day 1.")},
 
-	{"weekday",     (PyCFunction)date_weekday,      METH_NOARGS,
-	 PyDoc_STR("Return the day of the week represented by the date.\n"
-		   "Monday == 0 ... Sunday == 6")},
+    {"weekday",     (PyCFunction)date_weekday,      METH_NOARGS,
+     PyDoc_STR("Return the day of the week represented by the date.\n"
+               "Monday == 0 ... Sunday == 6")},
 
-	{"replace",     (PyCFunction)date_replace,      METH_VARARGS | METH_KEYWORDS,
-	 PyDoc_STR("Return date with new specified fields.")},
+    {"replace",     (PyCFunction)date_replace,      METH_VARARGS | METH_KEYWORDS,
+     PyDoc_STR("Return date with new specified fields.")},
 
-	{"__reduce__", (PyCFunction)date_reduce,        METH_NOARGS,
-	 PyDoc_STR("__reduce__() -> (cls, state)")},
+    {"__reduce__", (PyCFunction)date_reduce,        METH_NOARGS,
+     PyDoc_STR("__reduce__() -> (cls, state)")},
 
-	{NULL,	NULL}
+    {NULL,      NULL}
 };
 
 static char date_doc[] =
 PyDoc_STR("date(year, month, day) --> date object");
 
 static PyNumberMethods date_as_number = {
-	date_add,					/* nb_add */
-	date_subtract,					/* nb_subtract */
-	0,						/* nb_multiply */
-	0,						/* nb_divide */
-	0,						/* nb_remainder */
-	0,						/* nb_divmod */
-	0,						/* nb_power */
-	0,						/* nb_negative */
-	0,						/* nb_positive */
-	0,						/* nb_absolute */
-	0,						/* nb_nonzero */
+    date_add,                                           /* nb_add */
+    date_subtract,                                      /* nb_subtract */
+    0,                                                  /* nb_multiply */
+    0,                                                  /* nb_divide */
+    0,                                                  /* nb_remainder */
+    0,                                                  /* nb_divmod */
+    0,                                                  /* nb_power */
+    0,                                                  /* nb_negative */
+    0,                                                  /* nb_positive */
+    0,                                                  /* nb_absolute */
+    0,                                                  /* nb_nonzero */
 };
 
 static PyTypeObject PyDateTime_DateType = {
-	PyVarObject_HEAD_INIT(NULL, 0)
-	"datetime.date",				/* tp_name */
-	sizeof(PyDateTime_Date),			/* tp_basicsize */
-	0,						/* tp_itemsize */
-	0,						/* tp_dealloc */
-	0,						/* tp_print */
-	0,						/* tp_getattr */
-	0,						/* tp_setattr */
-	0,						/* tp_compare */
-	(reprfunc)date_repr,				/* tp_repr */
-	&date_as_number,				/* tp_as_number */
-	0,						/* tp_as_sequence */
-	0,						/* tp_as_mapping */
-	(hashfunc)date_hash,				/* tp_hash */
-	0,              				/* tp_call */
-	(reprfunc)date_str,				/* tp_str */
-	PyObject_GenericGetAttr,			/* tp_getattro */
-	0,						/* tp_setattro */
-	0,						/* tp_as_buffer */
-	Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
-        Py_TPFLAGS_BASETYPE,				/* tp_flags */
-	date_doc,					/* tp_doc */
-	0,						/* tp_traverse */
-	0,						/* tp_clear */
-	(richcmpfunc)date_richcompare,			/* tp_richcompare */
-	0,						/* tp_weaklistoffset */
-	0,						/* tp_iter */
-	0,						/* tp_iternext */
-	date_methods,					/* tp_methods */
-	0,						/* tp_members */
-	date_getset,					/* tp_getset */
-	0,						/* tp_base */
-	0,						/* tp_dict */
-	0,						/* tp_descr_get */
-	0,						/* tp_descr_set */
-	0,						/* tp_dictoffset */
-	0,						/* tp_init */
-	0,						/* tp_alloc */
-	date_new,					/* tp_new */
-	0,						/* tp_free */
+    PyVarObject_HEAD_INIT(NULL, 0)
+    "datetime.date",                                    /* tp_name */
+    sizeof(PyDateTime_Date),                            /* tp_basicsize */
+    0,                                                  /* tp_itemsize */
+    0,                                                  /* tp_dealloc */
+    0,                                                  /* tp_print */
+    0,                                                  /* tp_getattr */
+    0,                                                  /* tp_setattr */
+    0,                                                  /* tp_compare */
+    (reprfunc)date_repr,                                /* tp_repr */
+    &date_as_number,                                    /* tp_as_number */
+    0,                                                  /* tp_as_sequence */
+    0,                                                  /* tp_as_mapping */
+    (hashfunc)date_hash,                                /* tp_hash */
+    0,                                                  /* tp_call */
+    (reprfunc)date_str,                                 /* tp_str */
+    PyObject_GenericGetAttr,                            /* tp_getattro */
+    0,                                                  /* tp_setattro */
+    0,                                                  /* tp_as_buffer */
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
+    Py_TPFLAGS_BASETYPE,                                /* tp_flags */
+    date_doc,                                           /* tp_doc */
+    0,                                                  /* tp_traverse */
+    0,                                                  /* tp_clear */
+    (richcmpfunc)date_richcompare,                      /* tp_richcompare */
+    0,                                                  /* tp_weaklistoffset */
+    0,                                                  /* tp_iter */
+    0,                                                  /* tp_iternext */
+    date_methods,                                       /* tp_methods */
+    0,                                                  /* tp_members */
+    date_getset,                                        /* tp_getset */
+    0,                                                  /* tp_base */
+    0,                                                  /* tp_dict */
+    0,                                                  /* tp_descr_get */
+    0,                                                  /* tp_descr_set */
+    0,                                                  /* tp_dictoffset */
+    0,                                                  /* tp_init */
+    0,                                                  /* tp_alloc */
+    date_new,                                           /* tp_new */
+    0,                                                  /* tp_free */
 };
 
 /*
@@ -2842,10 +2842,10 @@
 static PyObject *
 tzinfo_nogo(const char* methodname)
 {
-	PyErr_Format(PyExc_NotImplementedError,
-		     "a tzinfo subclass must implement %s()",
-		     methodname);
-	return NULL;
+    PyErr_Format(PyExc_NotImplementedError,
+                 "a tzinfo subclass must implement %s()",
+                 methodname);
+    return NULL;
 }
 
 /* Methods.  A subclass must implement these. */
@@ -2853,101 +2853,101 @@
 static PyObject *
 tzinfo_tzname(PyDateTime_TZInfo *self, PyObject *dt)
 {
-	return tzinfo_nogo("tzname");
+    return tzinfo_nogo("tzname");
 }
 
 static PyObject *
 tzinfo_utcoffset(PyDateTime_TZInfo *self, PyObject *dt)
 {
-	return tzinfo_nogo("utcoffset");
+    return tzinfo_nogo("utcoffset");
 }
 
 static PyObject *
 tzinfo_dst(PyDateTime_TZInfo *self, PyObject *dt)
 {
-	return tzinfo_nogo("dst");
+    return tzinfo_nogo("dst");
 }
 
 static PyObject *
 tzinfo_fromutc(PyDateTime_TZInfo *self, PyDateTime_DateTime *dt)
 {
-	int y, m, d, hh, mm, ss, us;
+    int y, m, d, hh, mm, ss, us;
 
-	PyObject *result;
-	int off, dst;
-	int none;
-	int delta;
+    PyObject *result;
+    int off, dst;
+    int none;
+    int delta;
 
-	if (! PyDateTime_Check(dt)) {
-		PyErr_SetString(PyExc_TypeError,
-				"fromutc: argument must be a datetime");
-		return NULL;
-	}
-	if (! HASTZINFO(dt) || dt->tzinfo != (PyObject *)self) {
-	    	PyErr_SetString(PyExc_ValueError, "fromutc: dt.tzinfo "
-	    			"is not self");
-	    	return NULL;
-	}
+    if (! PyDateTime_Check(dt)) {
+        PyErr_SetString(PyExc_TypeError,
+                        "fromutc: argument must be a datetime");
+        return NULL;
+    }
+    if (! HASTZINFO(dt) || dt->tzinfo != (PyObject *)self) {
+        PyErr_SetString(PyExc_ValueError, "fromutc: dt.tzinfo "
+                        "is not self");
+        return NULL;
+    }
 
-	off = call_utcoffset(dt->tzinfo, (PyObject *)dt, &none);
-	if (off == -1 && PyErr_Occurred())
-		return NULL;
-	if (none) {
-		PyErr_SetString(PyExc_ValueError, "fromutc: non-None "
-				"utcoffset() result required");
-		return NULL;
-	}
+    off = call_utcoffset(dt->tzinfo, (PyObject *)dt, &none);
+    if (off == -1 && PyErr_Occurred())
+        return NULL;
+    if (none) {
+        PyErr_SetString(PyExc_ValueError, "fromutc: non-None "
+                        "utcoffset() result required");
+        return NULL;
+    }
 
-	dst = call_dst(dt->tzinfo, (PyObject *)dt, &none);
-	if (dst == -1 && PyErr_Occurred())
-		return NULL;
-	if (none) {
-		PyErr_SetString(PyExc_ValueError, "fromutc: non-None "
-				"dst() result required");
-		return NULL;
-	}
+    dst = call_dst(dt->tzinfo, (PyObject *)dt, &none);
+    if (dst == -1 && PyErr_Occurred())
+        return NULL;
+    if (none) {
+        PyErr_SetString(PyExc_ValueError, "fromutc: non-None "
+                        "dst() result required");
+        return NULL;
+    }
 
-	y = GET_YEAR(dt);
-	m = GET_MONTH(dt);
-	d = GET_DAY(dt);
-	hh = DATE_GET_HOUR(dt);
-	mm = DATE_GET_MINUTE(dt);
-	ss = DATE_GET_SECOND(dt);
-	us = DATE_GET_MICROSECOND(dt);
+    y = GET_YEAR(dt);
+    m = GET_MONTH(dt);
+    d = GET_DAY(dt);
+    hh = DATE_GET_HOUR(dt);
+    mm = DATE_GET_MINUTE(dt);
+    ss = DATE_GET_SECOND(dt);
+    us = DATE_GET_MICROSECOND(dt);
 
-	delta = off - dst;
-	mm += delta;
-	if ((mm < 0 || mm >= 60) &&
-	    normalize_datetime(&y, &m, &d, &hh, &mm, &ss, &us) < 0)
-		return NULL;
-	result = new_datetime(y, m, d, hh, mm, ss, us, dt->tzinfo);
-	if (result == NULL)
-		return result;
+    delta = off - dst;
+    mm += delta;
+    if ((mm < 0 || mm >= 60) &&
+        normalize_datetime(&y, &m, &d, &hh, &mm, &ss, &us) < 0)
+        return NULL;
+    result = new_datetime(y, m, d, hh, mm, ss, us, dt->tzinfo);
+    if (result == NULL)
+        return result;
 
-	dst = call_dst(dt->tzinfo, result, &none);
-	if (dst == -1 && PyErr_Occurred())
-		goto Fail;
-	if (none)
-		goto Inconsistent;
-	if (dst == 0)
-		return result;
+    dst = call_dst(dt->tzinfo, result, &none);
+    if (dst == -1 && PyErr_Occurred())
+        goto Fail;
+    if (none)
+        goto Inconsistent;
+    if (dst == 0)
+        return result;
 
-	mm += dst;
-	if ((mm < 0 || mm >= 60) &&
-	    normalize_datetime(&y, &m, &d, &hh, &mm, &ss, &us) < 0)
-		goto Fail;
-	Py_DECREF(result);
-	result = new_datetime(y, m, d, hh, mm, ss, us, dt->tzinfo);
-	return result;
+    mm += dst;
+    if ((mm < 0 || mm >= 60) &&
+        normalize_datetime(&y, &m, &d, &hh, &mm, &ss, &us) < 0)
+        goto Fail;
+    Py_DECREF(result);
+    result = new_datetime(y, m, d, hh, mm, ss, us, dt->tzinfo);
+    return result;
 
 Inconsistent:
-	PyErr_SetString(PyExc_ValueError, "fromutc: tz.dst() gave"
-			"inconsistent results; cannot convert");
+    PyErr_SetString(PyExc_ValueError, "fromutc: tz.dst() gave"
+                    "inconsistent results; cannot convert");
 
-	/* fall thru to failure */
+    /* fall thru to failure */
 Fail:
-	Py_DECREF(result);
-	return NULL;
+    Py_DECREF(result);
+    return NULL;
 }
 
 /*
@@ -2958,124 +2958,124 @@
 static PyObject *
 tzinfo_reduce(PyObject *self)
 {
-	PyObject *args, *state, *tmp;
-	PyObject *getinitargs, *getstate;
+    PyObject *args, *state, *tmp;
+    PyObject *getinitargs, *getstate;
 
-	tmp = PyTuple_New(0);
-	if (tmp == NULL)
-		return NULL;
+    tmp = PyTuple_New(0);
+    if (tmp == NULL)
+        return NULL;
 
-	getinitargs = PyObject_GetAttrString(self, "__getinitargs__");
-	if (getinitargs != NULL) {
-		args = PyObject_CallObject(getinitargs, tmp);
-		Py_DECREF(getinitargs);
-		if (args == NULL) {
-			Py_DECREF(tmp);
-			return NULL;
-		}
-	}
-	else {
-		PyErr_Clear();
-		args = tmp;
-		Py_INCREF(args);
-	}
+    getinitargs = PyObject_GetAttrString(self, "__getinitargs__");
+    if (getinitargs != NULL) {
+        args = PyObject_CallObject(getinitargs, tmp);
+        Py_DECREF(getinitargs);
+        if (args == NULL) {
+            Py_DECREF(tmp);
+            return NULL;
+        }
+    }
+    else {
+        PyErr_Clear();
+        args = tmp;
+        Py_INCREF(args);
+    }
 
-	getstate = PyObject_GetAttrString(self, "__getstate__");
-	if (getstate != NULL) {
-		state = PyObject_CallObject(getstate, tmp);
-		Py_DECREF(getstate);
-		if (state == NULL) {
-			Py_DECREF(args);
-			Py_DECREF(tmp);
-			return NULL;
-		}
-	}
-	else {
-		PyObject **dictptr;
-		PyErr_Clear();
-		state = Py_None;
-		dictptr = _PyObject_GetDictPtr(self);
-		if (dictptr && *dictptr && PyDict_Size(*dictptr))
-			state = *dictptr;
-		Py_INCREF(state);
-	}
+    getstate = PyObject_GetAttrString(self, "__getstate__");
+    if (getstate != NULL) {
+        state = PyObject_CallObject(getstate, tmp);
+        Py_DECREF(getstate);
+        if (state == NULL) {
+            Py_DECREF(args);
+            Py_DECREF(tmp);
+            return NULL;
+        }
+    }
+    else {
+        PyObject **dictptr;
+        PyErr_Clear();
+        state = Py_None;
+        dictptr = _PyObject_GetDictPtr(self);
+        if (dictptr && *dictptr && PyDict_Size(*dictptr))
+            state = *dictptr;
+        Py_INCREF(state);
+    }
 
-	Py_DECREF(tmp);
+    Py_DECREF(tmp);
 
-	if (state == Py_None) {
-		Py_DECREF(state);
-		return Py_BuildValue("(ON)", Py_TYPE(self), args);
-	}
-	else
-		return Py_BuildValue("(ONN)", Py_TYPE(self), args, state);
+    if (state == Py_None) {
+        Py_DECREF(state);
+        return Py_BuildValue("(ON)", Py_TYPE(self), args);
+    }
+    else
+        return Py_BuildValue("(ONN)", Py_TYPE(self), args, state);
 }
 
 static PyMethodDef tzinfo_methods[] = {
 
-	{"tzname",	(PyCFunction)tzinfo_tzname,		METH_O,
-	 PyDoc_STR("datetime -> string name of time zone.")},
+    {"tzname",          (PyCFunction)tzinfo_tzname,             METH_O,
+     PyDoc_STR("datetime -> string name of time zone.")},
 
-	{"utcoffset",	(PyCFunction)tzinfo_utcoffset,		METH_O,
-	 PyDoc_STR("datetime -> minutes east of UTC (negative for "
-	 	   "west of UTC).")},
+    {"utcoffset",       (PyCFunction)tzinfo_utcoffset,          METH_O,
+     PyDoc_STR("datetime -> minutes east of UTC (negative for "
+               "west of UTC).")},
 
-	{"dst",		(PyCFunction)tzinfo_dst,		METH_O,
-	 PyDoc_STR("datetime -> DST offset in minutes east of UTC.")},
+    {"dst",             (PyCFunction)tzinfo_dst,                METH_O,
+     PyDoc_STR("datetime -> DST offset in minutes east of UTC.")},
 
-	{"fromutc",	(PyCFunction)tzinfo_fromutc,		METH_O,
-	 PyDoc_STR("datetime in UTC -> datetime in local time.")},
+    {"fromutc",         (PyCFunction)tzinfo_fromutc,            METH_O,
+     PyDoc_STR("datetime in UTC -> datetime in local time.")},
 
-	{"__reduce__",  (PyCFunction)tzinfo_reduce,             METH_NOARGS,
-	 PyDoc_STR("-> (cls, state)")},
+    {"__reduce__",  (PyCFunction)tzinfo_reduce,             METH_NOARGS,
+     PyDoc_STR("-> (cls, state)")},
 
-	{NULL, NULL}
+    {NULL, NULL}
 };
 
 static char tzinfo_doc[] =
 PyDoc_STR("Abstract base class for time zone info objects.");
 
 statichere PyTypeObject PyDateTime_TZInfoType = {
-	PyObject_HEAD_INIT(NULL)
-	0,					/* ob_size */
-	"datetime.tzinfo",			/* tp_name */
-	sizeof(PyDateTime_TZInfo),		/* tp_basicsize */
-	0,					/* tp_itemsize */
-	0,					/* tp_dealloc */
-	0,					/* tp_print */
-	0,					/* tp_getattr */
-	0,					/* tp_setattr */
-	0,					/* tp_compare */
-	0,					/* tp_repr */
-	0,					/* tp_as_number */
-	0,					/* tp_as_sequence */
-	0,					/* tp_as_mapping */
-	0,					/* tp_hash */
-	0,              			/* tp_call */
-	0,					/* tp_str */
-	PyObject_GenericGetAttr,		/* tp_getattro */
-	0,					/* tp_setattro */
-	0,					/* tp_as_buffer */
-	Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
-        Py_TPFLAGS_BASETYPE,			/* tp_flags */
-	tzinfo_doc,				/* tp_doc */
-	0,					/* tp_traverse */
-	0,					/* tp_clear */
-	0,					/* tp_richcompare */
-	0,					/* tp_weaklistoffset */
-	0,					/* tp_iter */
-	0,					/* tp_iternext */
-	tzinfo_methods,				/* tp_methods */
-	0,					/* tp_members */
-	0,					/* tp_getset */
-	0,					/* tp_base */
-	0,					/* tp_dict */
-	0,					/* tp_descr_get */
-	0,					/* tp_descr_set */
-	0,					/* tp_dictoffset */
-	0,					/* tp_init */
-	0,					/* tp_alloc */
-	PyType_GenericNew,			/* tp_new */
-	0,					/* tp_free */
+    PyObject_HEAD_INIT(NULL)
+    0,                                          /* ob_size */
+    "datetime.tzinfo",                          /* tp_name */
+    sizeof(PyDateTime_TZInfo),                  /* tp_basicsize */
+    0,                                          /* tp_itemsize */
+    0,                                          /* tp_dealloc */
+    0,                                          /* tp_print */
+    0,                                          /* tp_getattr */
+    0,                                          /* tp_setattr */
+    0,                                          /* tp_compare */
+    0,                                          /* tp_repr */
+    0,                                          /* tp_as_number */
+    0,                                          /* tp_as_sequence */
+    0,                                          /* tp_as_mapping */
+    0,                                          /* tp_hash */
+    0,                                          /* tp_call */
+    0,                                          /* tp_str */
+    PyObject_GenericGetAttr,                    /* tp_getattro */
+    0,                                          /* tp_setattro */
+    0,                                          /* tp_as_buffer */
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
+    Py_TPFLAGS_BASETYPE,                        /* tp_flags */
+    tzinfo_doc,                                 /* tp_doc */
+    0,                                          /* tp_traverse */
+    0,                                          /* tp_clear */
+    0,                                          /* tp_richcompare */
+    0,                                          /* tp_weaklistoffset */
+    0,                                          /* tp_iter */
+    0,                                          /* tp_iternext */
+    tzinfo_methods,                             /* tp_methods */
+    0,                                          /* tp_members */
+    0,                                          /* tp_getset */
+    0,                                          /* tp_base */
+    0,                                          /* tp_dict */
+    0,                                          /* tp_descr_get */
+    0,                                          /* tp_descr_set */
+    0,                                          /* tp_dictoffset */
+    0,                                          /* tp_init */
+    0,                                          /* tp_alloc */
+    PyType_GenericNew,                          /* tp_new */
+    0,                                          /* tp_free */
 };
 
 /*
@@ -3088,43 +3088,43 @@
 static PyObject *
 time_hour(PyDateTime_Time *self, void *unused)
 {
-	return PyInt_FromLong(TIME_GET_HOUR(self));
+    return PyInt_FromLong(TIME_GET_HOUR(self));
 }
 
 static PyObject *
 time_minute(PyDateTime_Time *self, void *unused)
 {
-	return PyInt_FromLong(TIME_GET_MINUTE(self));
+    return PyInt_FromLong(TIME_GET_MINUTE(self));
 }
 
 /* The name time_second conflicted with some platform header file. */
 static PyObject *
 py_time_second(PyDateTime_Time *self, void *unused)
 {
-	return PyInt_FromLong(TIME_GET_SECOND(self));
+    return PyInt_FromLong(TIME_GET_SECOND(self));
 }
 
 static PyObject *
 time_microsecond(PyDateTime_Time *self, void *unused)
 {
-	return PyInt_FromLong(TIME_GET_MICROSECOND(self));
+    return PyInt_FromLong(TIME_GET_MICROSECOND(self));
 }
 
 static PyObject *
 time_tzinfo(PyDateTime_Time *self, void *unused)
 {
-	PyObject *result = HASTZINFO(self) ? self->tzinfo : Py_None;
-	Py_INCREF(result);
-	return result;
+    PyObject *result = HASTZINFO(self) ? self->tzinfo : Py_None;
+    Py_INCREF(result);
+    return result;
 }
 
 static PyGetSetDef time_getset[] = {
-	{"hour",        (getter)time_hour},
-	{"minute",      (getter)time_minute},
-	{"second",      (getter)py_time_second},
-	{"microsecond", (getter)time_microsecond},
-	{"tzinfo",	(getter)time_tzinfo},
-	{NULL}
+    {"hour",        (getter)time_hour},
+    {"minute",      (getter)time_minute},
+    {"second",      (getter)py_time_second},
+    {"microsecond", (getter)time_microsecond},
+    {"tzinfo",          (getter)time_tzinfo},
+    {NULL}
 };
 
 /*
@@ -3132,64 +3132,64 @@
  */
 
 static char *time_kws[] = {"hour", "minute", "second", "microsecond",
-			   "tzinfo", NULL};
+                           "tzinfo", NULL};
 
 static PyObject *
 time_new(PyTypeObject *type, PyObject *args, PyObject *kw)
 {
-	PyObject *self = NULL;
-	PyObject *state;
-	int hour = 0;
-	int minute = 0;
-	int second = 0;
-	int usecond = 0;
-	PyObject *tzinfo = Py_None;
+    PyObject *self = NULL;
+    PyObject *state;
+    int hour = 0;
+    int minute = 0;
+    int second = 0;
+    int usecond = 0;
+    PyObject *tzinfo = Py_None;
 
-	/* Check for invocation from pickle with __getstate__ state */
-	if (PyTuple_GET_SIZE(args) >= 1 &&
-	    PyTuple_GET_SIZE(args) <= 2 &&
-	    PyString_Check(state = PyTuple_GET_ITEM(args, 0)) &&
-	    PyString_GET_SIZE(state) == _PyDateTime_TIME_DATASIZE &&
-	    ((unsigned char) (PyString_AS_STRING(state)[0])) < 24)
-	{
-		PyDateTime_Time *me;
-		char aware;
+    /* Check for invocation from pickle with __getstate__ state */
+    if (PyTuple_GET_SIZE(args) >= 1 &&
+        PyTuple_GET_SIZE(args) <= 2 &&
+        PyString_Check(state = PyTuple_GET_ITEM(args, 0)) &&
+        PyString_GET_SIZE(state) == _PyDateTime_TIME_DATASIZE &&
+        ((unsigned char) (PyString_AS_STRING(state)[0])) < 24)
+    {
+        PyDateTime_Time *me;
+        char aware;
 
-		if (PyTuple_GET_SIZE(args) == 2) {
-			tzinfo = PyTuple_GET_ITEM(args, 1);
-			if (check_tzinfo_subclass(tzinfo) < 0) {
-				PyErr_SetString(PyExc_TypeError, "bad "
-					"tzinfo state arg");
-				return NULL;
-			}
-		}
-		aware = (char)(tzinfo != Py_None);
-		me = (PyDateTime_Time *) (type->tp_alloc(type, aware));
-		if (me != NULL) {
-			char *pdata = PyString_AS_STRING(state);
+        if (PyTuple_GET_SIZE(args) == 2) {
+            tzinfo = PyTuple_GET_ITEM(args, 1);
+            if (check_tzinfo_subclass(tzinfo) < 0) {
+                PyErr_SetString(PyExc_TypeError, "bad "
+                    "tzinfo state arg");
+                return NULL;
+            }
+        }
+        aware = (char)(tzinfo != Py_None);
+        me = (PyDateTime_Time *) (type->tp_alloc(type, aware));
+        if (me != NULL) {
+            char *pdata = PyString_AS_STRING(state);
 
-			memcpy(me->data, pdata, _PyDateTime_TIME_DATASIZE);
-			me->hashcode = -1;
-			me->hastzinfo = aware;
-			if (aware) {
-				Py_INCREF(tzinfo);
-				me->tzinfo = tzinfo;
-			}
-		}
-		return (PyObject *)me;
-	}
+            memcpy(me->data, pdata, _PyDateTime_TIME_DATASIZE);
+            me->hashcode = -1;
+            me->hastzinfo = aware;
+            if (aware) {
+                Py_INCREF(tzinfo);
+                me->tzinfo = tzinfo;
+            }
+        }
+        return (PyObject *)me;
+    }
 
-	if (PyArg_ParseTupleAndKeywords(args, kw, "|iiiiO", time_kws,
-					&hour, &minute, &second, &usecond,
-					&tzinfo)) {
-		if (check_time_args(hour, minute, second, usecond) < 0)
-			return NULL;
-		if (check_tzinfo_subclass(tzinfo) < 0)
-			return NULL;
-		self = new_time_ex(hour, minute, second, usecond, tzinfo,
-				   type);
-	}
-	return self;
+    if (PyArg_ParseTupleAndKeywords(args, kw, "|iiiiO", time_kws,
+                                    &hour, &minute, &second, &usecond,
+                                    &tzinfo)) {
+        if (check_time_args(hour, minute, second, usecond) < 0)
+            return NULL;
+        if (check_tzinfo_subclass(tzinfo) < 0)
+            return NULL;
+        self = new_time_ex(hour, minute, second, usecond, tzinfo,
+                           type);
+    }
+    return self;
 }
 
 /*
@@ -3199,10 +3199,10 @@
 static void
 time_dealloc(PyDateTime_Time *self)
 {
-	if (HASTZINFO(self)) {
-		Py_XDECREF(self->tzinfo);
-	}
-	Py_TYPE(self)->tp_free((PyObject *)self);
+    if (HASTZINFO(self)) {
+        Py_XDECREF(self->tzinfo);
+    }
+    Py_TYPE(self)->tp_free((PyObject *)self);
 }
 
 /*
@@ -3212,20 +3212,20 @@
 /* These are all METH_NOARGS, so don't need to check the arglist. */
 static PyObject *
 time_utcoffset(PyDateTime_Time *self, PyObject *unused) {
-	return offset_as_timedelta(HASTZINFO(self) ? self->tzinfo : Py_None,
-				   "utcoffset", Py_None);
+    return offset_as_timedelta(HASTZINFO(self) ? self->tzinfo : Py_None,
+                               "utcoffset", Py_None);
 }
 
 static PyObject *
 time_dst(PyDateTime_Time *self, PyObject *unused) {
-	return offset_as_timedelta(HASTZINFO(self) ? self->tzinfo : Py_None,
-				   "dst", Py_None);
+    return offset_as_timedelta(HASTZINFO(self) ? self->tzinfo : Py_None,
+                               "dst", Py_None);
 }
 
 static PyObject *
 time_tzname(PyDateTime_Time *self, PyObject *unused) {
-	return call_tzname(HASTZINFO(self) ? self->tzinfo : Py_None,
-			   Py_None);
+    return call_tzname(HASTZINFO(self) ? self->tzinfo : Py_None,
+                       Py_None);
 }
 
 /*
@@ -3235,94 +3235,94 @@
 static PyObject *
 time_repr(PyDateTime_Time *self)
 {
-	char buffer[100];
-	const char *type_name = Py_TYPE(self)->tp_name;
-	int h = TIME_GET_HOUR(self);
-	int m = TIME_GET_MINUTE(self);
-	int s = TIME_GET_SECOND(self);
-	int us = TIME_GET_MICROSECOND(self);
-	PyObject *result = NULL;
+    char buffer[100];
+    const char *type_name = Py_TYPE(self)->tp_name;
+    int h = TIME_GET_HOUR(self);
+    int m = TIME_GET_MINUTE(self);
+    int s = TIME_GET_SECOND(self);
+    int us = TIME_GET_MICROSECOND(self);
+    PyObject *result = NULL;
 
-	if (us)
-		PyOS_snprintf(buffer, sizeof(buffer),
-			      "%s(%d, %d, %d, %d)", type_name, h, m, s, us);
-	else if (s)
-		PyOS_snprintf(buffer, sizeof(buffer),
-			      "%s(%d, %d, %d)", type_name, h, m, s);
-	else
-		PyOS_snprintf(buffer, sizeof(buffer),
-			      "%s(%d, %d)", type_name, h, m);
-	result = PyString_FromString(buffer);
-	if (result != NULL && HASTZINFO(self))
-		result = append_keyword_tzinfo(result, self->tzinfo);
-	return result;
+    if (us)
+        PyOS_snprintf(buffer, sizeof(buffer),
+                      "%s(%d, %d, %d, %d)", type_name, h, m, s, us);
+    else if (s)
+        PyOS_snprintf(buffer, sizeof(buffer),
+                      "%s(%d, %d, %d)", type_name, h, m, s);
+    else
+        PyOS_snprintf(buffer, sizeof(buffer),
+                      "%s(%d, %d)", type_name, h, m);
+    result = PyString_FromString(buffer);
+    if (result != NULL && HASTZINFO(self))
+        result = append_keyword_tzinfo(result, self->tzinfo);
+    return result;
 }
 
 static PyObject *
 time_str(PyDateTime_Time *self)
 {
-	return PyObject_CallMethod((PyObject *)self, "isoformat", "()");
+    return PyObject_CallMethod((PyObject *)self, "isoformat", "()");
 }
 
 static PyObject *
 time_isoformat(PyDateTime_Time *self, PyObject *unused)
 {
-	char buf[100];
-	PyObject *result;
-	/* Reuse the time format code from the datetime type. */
-	PyDateTime_DateTime datetime;
-	PyDateTime_DateTime *pdatetime = &datetime;
+    char buf[100];
+    PyObject *result;
+    /* Reuse the time format code from the datetime type. */
+    PyDateTime_DateTime datetime;
+    PyDateTime_DateTime *pdatetime = &datetime;
 
-	/* Copy over just the time bytes. */
-	memcpy(pdatetime->data + _PyDateTime_DATE_DATASIZE,
-	       self->data,
-	       _PyDateTime_TIME_DATASIZE);
+    /* Copy over just the time bytes. */
+    memcpy(pdatetime->data + _PyDateTime_DATE_DATASIZE,
+           self->data,
+           _PyDateTime_TIME_DATASIZE);
 
-	isoformat_time(pdatetime, buf, sizeof(buf));
-	result = PyString_FromString(buf);
-	if (result == NULL || ! HASTZINFO(self) || self->tzinfo == Py_None)
-		return result;
+    isoformat_time(pdatetime, buf, sizeof(buf));
+    result = PyString_FromString(buf);
+    if (result == NULL || ! HASTZINFO(self) || self->tzinfo == Py_None)
+        return result;
 
-	/* We need to append the UTC offset. */
-	if (format_utcoffset(buf, sizeof(buf), ":", self->tzinfo,
-			     Py_None) < 0) {
-		Py_DECREF(result);
-		return NULL;
-	}
-	PyString_ConcatAndDel(&result, PyString_FromString(buf));
-	return result;
+    /* We need to append the UTC offset. */
+    if (format_utcoffset(buf, sizeof(buf), ":", self->tzinfo,
+                         Py_None) < 0) {
+        Py_DECREF(result);
+        return NULL;
+    }
+    PyString_ConcatAndDel(&result, PyString_FromString(buf));
+    return result;
 }
 
 static PyObject *
 time_strftime(PyDateTime_Time *self, PyObject *args, PyObject *kw)
 {
-	PyObject *result;
-	PyObject *tuple;
-	const char *format;
-	Py_ssize_t format_len;
-	static char *keywords[] = {"format", NULL};
+    PyObject *result;
+    PyObject *tuple;
+    const char *format;
+    Py_ssize_t format_len;
+    static char *keywords[] = {"format", NULL};
 
-	if (! PyArg_ParseTupleAndKeywords(args, kw, "s#:strftime", keywords,
-					  &format, &format_len))
-		return NULL;
+    if (! PyArg_ParseTupleAndKeywords(args, kw, "s#:strftime", keywords,
+                                      &format, &format_len))
+        return NULL;
 
-	/* Python's strftime does insane things with the year part of the
-	 * timetuple.  The year is forced to (the otherwise nonsensical)
-	 * 1900 to worm around that.
-	 */
-	tuple = Py_BuildValue("iiiiiiiii",
-		              1900, 1, 1, /* year, month, day */
-			      TIME_GET_HOUR(self),
-			      TIME_GET_MINUTE(self),
-			      TIME_GET_SECOND(self),
-			      0, 1, -1); /* weekday, daynum, dst */
-	if (tuple == NULL)
-		return NULL;
-	assert(PyTuple_Size(tuple) == 9);
-	result = wrap_strftime((PyObject *)self, format, format_len, tuple,
-			       Py_None);
-	Py_DECREF(tuple);
-	return result;
+    /* Python's strftime does insane things with the year part of the
+     * timetuple.  The year is forced to (the otherwise nonsensical)
+     * 1900 to worm around that.
+     */
+    tuple = Py_BuildValue("iiiiiiiii",
+                          1900, 1, 1, /* year, month, day */
+                  TIME_GET_HOUR(self),
+                  TIME_GET_MINUTE(self),
+                  TIME_GET_SECOND(self),
+                  0, 1, -1); /* weekday, daynum, dst */
+    if (tuple == NULL)
+        return NULL;
+    assert(PyTuple_Size(tuple) == 9);
+    result = wrap_strftime((PyObject *)self, format, format_len, tuple,
+                           Py_None);
+    Py_DECREF(tuple);
+    return result;
 }
 
 /*
@@ -3336,146 +3336,146 @@
 static PyObject *
 time_richcompare(PyDateTime_Time *self, PyObject *other, int op)
 {
-	int diff;
-	naivety n1, n2;
-	int offset1, offset2;
+    int diff;
+    naivety n1, n2;
+    int offset1, offset2;
 
-	if (! PyTime_Check(other)) {
-		if (op == Py_EQ || op == Py_NE) {
-			PyObject *result = op == Py_EQ ? Py_False : Py_True;
-			Py_INCREF(result);
-			return result;
-		}
-		/* Stop this from falling back to address comparison. */
-		return cmperror((PyObject *)self, other);
-	}
-	if (classify_two_utcoffsets((PyObject *)self, &offset1, &n1, Py_None,
-				     other, &offset2, &n2, Py_None) < 0)
-		return NULL;
-	assert(n1 != OFFSET_UNKNOWN && n2 != OFFSET_UNKNOWN);
-	/* If they're both naive, or both aware and have the same offsets,
-	 * we get off cheap.  Note that if they're both naive, offset1 ==
-	 * offset2 == 0 at this point.
-	 */
-	if (n1 == n2 && offset1 == offset2) {
-		diff = memcmp(self->data, ((PyDateTime_Time *)other)->data,
-			      _PyDateTime_TIME_DATASIZE);
-		return diff_to_bool(diff, op);
-	}
+    if (! PyTime_Check(other)) {
+        if (op == Py_EQ || op == Py_NE) {
+            PyObject *result = op == Py_EQ ? Py_False : Py_True;
+            Py_INCREF(result);
+            return result;
+        }
+        /* Stop this from falling back to address comparison. */
+        return cmperror((PyObject *)self, other);
+    }
+    if (classify_two_utcoffsets((PyObject *)self, &offset1, &n1, Py_None,
+                                 other, &offset2, &n2, Py_None) < 0)
+        return NULL;
+    assert(n1 != OFFSET_UNKNOWN && n2 != OFFSET_UNKNOWN);
+    /* If they're both naive, or both aware and have the same offsets,
+     * we get off cheap.  Note that if they're both naive, offset1 ==
+     * offset2 == 0 at this point.
+     */
+    if (n1 == n2 && offset1 == offset2) {
+        diff = memcmp(self->data, ((PyDateTime_Time *)other)->data,
+                      _PyDateTime_TIME_DATASIZE);
+        return diff_to_bool(diff, op);
+    }
 
-	if (n1 == OFFSET_AWARE && n2 == OFFSET_AWARE) {
-		assert(offset1 != offset2);	/* else last "if" handled it */
-		/* Convert everything except microseconds to seconds.  These
-		 * can't overflow (no more than the # of seconds in 2 days).
-		 */
-		offset1 = TIME_GET_HOUR(self) * 3600 +
-			  (TIME_GET_MINUTE(self) - offset1) * 60 +
-			  TIME_GET_SECOND(self);
-		offset2 = TIME_GET_HOUR(other) * 3600 +
-			  (TIME_GET_MINUTE(other) - offset2) * 60 +
-			  TIME_GET_SECOND(other);
-		diff = offset1 - offset2;
-		if (diff == 0)
-			diff = TIME_GET_MICROSECOND(self) -
-			       TIME_GET_MICROSECOND(other);
-		return diff_to_bool(diff, op);
-	}
+    if (n1 == OFFSET_AWARE && n2 == OFFSET_AWARE) {
+        assert(offset1 != offset2);             /* else last "if" handled it */
+        /* Convert everything except microseconds to seconds.  These
+         * can't overflow (no more than the # of seconds in 2 days).
+         */
+        offset1 = TIME_GET_HOUR(self) * 3600 +
+                  (TIME_GET_MINUTE(self) - offset1) * 60 +
+                  TIME_GET_SECOND(self);
+        offset2 = TIME_GET_HOUR(other) * 3600 +
+                  (TIME_GET_MINUTE(other) - offset2) * 60 +
+                  TIME_GET_SECOND(other);
+        diff = offset1 - offset2;
+        if (diff == 0)
+            diff = TIME_GET_MICROSECOND(self) -
+                   TIME_GET_MICROSECOND(other);
+        return diff_to_bool(diff, op);
+    }
 
-	assert(n1 != n2);
-	PyErr_SetString(PyExc_TypeError,
-			"can't compare offset-naive and "
-			"offset-aware times");
-	return NULL;
+    assert(n1 != n2);
+    PyErr_SetString(PyExc_TypeError,
+                    "can't compare offset-naive and "
+                    "offset-aware times");
+    return NULL;
 }
 
 static long
 time_hash(PyDateTime_Time *self)
 {
-	if (self->hashcode == -1) {
-		naivety n;
-		int offset;
-		PyObject *temp;
+    if (self->hashcode == -1) {
+        naivety n;
+        int offset;
+        PyObject *temp;
 
-		n = classify_utcoffset((PyObject *)self, Py_None, &offset);
-		assert(n != OFFSET_UNKNOWN);
-		if (n == OFFSET_ERROR)
-			return -1;
+        n = classify_utcoffset((PyObject *)self, Py_None, &offset);
+        assert(n != OFFSET_UNKNOWN);
+        if (n == OFFSET_ERROR)
+            return -1;
 
-		/* Reduce this to a hash of another object. */
-		if (offset == 0)
-			temp = PyString_FromStringAndSize((char *)self->data,
-						_PyDateTime_TIME_DATASIZE);
-		else {
-			int hour;
-			int minute;
+        /* Reduce this to a hash of another object. */
+        if (offset == 0)
+            temp = PyString_FromStringAndSize((char *)self->data,
+                                    _PyDateTime_TIME_DATASIZE);
+        else {
+            int hour;
+            int minute;
 
-			assert(n == OFFSET_AWARE);
-			assert(HASTZINFO(self));
-			hour = divmod(TIME_GET_HOUR(self) * 60 +
-					TIME_GET_MINUTE(self) - offset,
-				      60,
-				      &minute);
-			if (0 <= hour && hour < 24)
-				temp = new_time(hour, minute,
-						TIME_GET_SECOND(self),
-						TIME_GET_MICROSECOND(self),
-						Py_None);
-			else
-				temp = Py_BuildValue("iiii",
-					   hour, minute,
-					   TIME_GET_SECOND(self),
-					   TIME_GET_MICROSECOND(self));
-		}
-		if (temp != NULL) {
-			self->hashcode = PyObject_Hash(temp);
-			Py_DECREF(temp);
-		}
-	}
-	return self->hashcode;
+            assert(n == OFFSET_AWARE);
+            assert(HASTZINFO(self));
+            hour = divmod(TIME_GET_HOUR(self) * 60 +
+                            TIME_GET_MINUTE(self) - offset,
+                          60,
+                          &minute);
+            if (0 <= hour && hour < 24)
+                temp = new_time(hour, minute,
+                                TIME_GET_SECOND(self),
+                                TIME_GET_MICROSECOND(self),
+                                Py_None);
+            else
+                temp = Py_BuildValue("iiii",
+                           hour, minute,
+                           TIME_GET_SECOND(self),
+                           TIME_GET_MICROSECOND(self));
+        }
+        if (temp != NULL) {
+            self->hashcode = PyObject_Hash(temp);
+            Py_DECREF(temp);
+        }
+    }
+    return self->hashcode;
 }
 
 static PyObject *
 time_replace(PyDateTime_Time *self, PyObject *args, PyObject *kw)
 {
-	PyObject *clone;
-	PyObject *tuple;
-	int hh = TIME_GET_HOUR(self);
-	int mm = TIME_GET_MINUTE(self);
-	int ss = TIME_GET_SECOND(self);
-	int us = TIME_GET_MICROSECOND(self);
-	PyObject *tzinfo = HASTZINFO(self) ? self->tzinfo : Py_None;
+    PyObject *clone;
+    PyObject *tuple;
+    int hh = TIME_GET_HOUR(self);
+    int mm = TIME_GET_MINUTE(self);
+    int ss = TIME_GET_SECOND(self);
+    int us = TIME_GET_MICROSECOND(self);
+    PyObject *tzinfo = HASTZINFO(self) ? self->tzinfo : Py_None;
 
-	if (! PyArg_ParseTupleAndKeywords(args, kw, "|iiiiO:replace",
-					  time_kws,
-					  &hh, &mm, &ss, &us, &tzinfo))
-		return NULL;
-	tuple = Py_BuildValue("iiiiO", hh, mm, ss, us, tzinfo);
-	if (tuple == NULL)
-		return NULL;
-	clone = time_new(Py_TYPE(self), tuple, NULL);
-	Py_DECREF(tuple);
-	return clone;
+    if (! PyArg_ParseTupleAndKeywords(args, kw, "|iiiiO:replace",
+                                      time_kws,
+                                      &hh, &mm, &ss, &us, &tzinfo))
+        return NULL;
+    tuple = Py_BuildValue("iiiiO", hh, mm, ss, us, tzinfo);
+    if (tuple == NULL)
+        return NULL;
+    clone = time_new(Py_TYPE(self), tuple, NULL);
+    Py_DECREF(tuple);
+    return clone;
 }
 
 static int
 time_nonzero(PyDateTime_Time *self)
 {
-	int offset;
-	int none;
+    int offset;
+    int none;
 
-	if (TIME_GET_SECOND(self) || TIME_GET_MICROSECOND(self)) {
-		/* Since utcoffset is in whole minutes, nothing can
-		 * alter the conclusion that this is nonzero.
-		 */
-		return 1;
-	}
-	offset = 0;
-	if (HASTZINFO(self) && self->tzinfo != Py_None) {
-		offset = call_utcoffset(self->tzinfo, Py_None, &none);
-		if (offset == -1 && PyErr_Occurred())
-			return -1;
-	}
-	return (TIME_GET_MINUTE(self) - offset + TIME_GET_HOUR(self)*60) != 0;
+    if (TIME_GET_SECOND(self) || TIME_GET_MICROSECOND(self)) {
+        /* Since utcoffset is in whole minutes, nothing can
+         * alter the conclusion that this is nonzero.
+         */
+        return 1;
+    }
+    offset = 0;
+    if (HASTZINFO(self) && self->tzinfo != Py_None) {
+        offset = call_utcoffset(self->tzinfo, Py_None, &none);
+        if (offset == -1 && PyErr_Occurred())
+            return -1;
+    }
+    return (TIME_GET_MINUTE(self) - offset + TIME_GET_HOUR(self)*60) != 0;
 }
 
 /* Pickle support, a simple use of __reduce__. */
@@ -3488,55 +3488,55 @@
 static PyObject *
 time_getstate(PyDateTime_Time *self)
 {
-	PyObject *basestate;
-	PyObject *result = NULL;
+    PyObject *basestate;
+    PyObject *result = NULL;
 
-	basestate =  PyString_FromStringAndSize((char *)self->data,
-						_PyDateTime_TIME_DATASIZE);
-	if (basestate != NULL) {
-		if (! HASTZINFO(self) || self->tzinfo == Py_None)
-			result = PyTuple_Pack(1, basestate);
-		else
-			result = PyTuple_Pack(2, basestate, self->tzinfo);
-		Py_DECREF(basestate);
-	}
-	return result;
+    basestate =  PyString_FromStringAndSize((char *)self->data,
+                                            _PyDateTime_TIME_DATASIZE);
+    if (basestate != NULL) {
+        if (! HASTZINFO(self) || self->tzinfo == Py_None)
+            result = PyTuple_Pack(1, basestate);
+        else
+            result = PyTuple_Pack(2, basestate, self->tzinfo);
+        Py_DECREF(basestate);
+    }
+    return result;
 }
 
 static PyObject *
 time_reduce(PyDateTime_Time *self, PyObject *arg)
 {
-	return Py_BuildValue("(ON)", Py_TYPE(self), time_getstate(self));
+    return Py_BuildValue("(ON)", Py_TYPE(self), time_getstate(self));
 }
 
 static PyMethodDef time_methods[] = {
 
-	{"isoformat",   (PyCFunction)time_isoformat,	METH_NOARGS,
-	 PyDoc_STR("Return string in ISO 8601 format, HH:MM:SS[.mmmmmm]"
-	 	   "[+HH:MM].")},
+    {"isoformat",   (PyCFunction)time_isoformat,        METH_NOARGS,
+     PyDoc_STR("Return string in ISO 8601 format, HH:MM:SS[.mmmmmm]"
+               "[+HH:MM].")},
 
-	{"strftime",   	(PyCFunction)time_strftime,	METH_VARARGS | METH_KEYWORDS,
-	 PyDoc_STR("format -> strftime() style string.")},
+    {"strftime",        (PyCFunction)time_strftime,     METH_VARARGS | METH_KEYWORDS,
+     PyDoc_STR("format -> strftime() style string.")},
 
-	{"__format__", 	(PyCFunction)date_format,	METH_VARARGS,
-	 PyDoc_STR("Formats self with strftime.")},
+    {"__format__",      (PyCFunction)date_format,       METH_VARARGS,
+     PyDoc_STR("Formats self with strftime.")},
 
-	{"utcoffset",	(PyCFunction)time_utcoffset,	METH_NOARGS,
-	 PyDoc_STR("Return self.tzinfo.utcoffset(self).")},
+    {"utcoffset",       (PyCFunction)time_utcoffset,    METH_NOARGS,
+     PyDoc_STR("Return self.tzinfo.utcoffset(self).")},
 
-	{"tzname",	(PyCFunction)time_tzname,	METH_NOARGS,
-	 PyDoc_STR("Return self.tzinfo.tzname(self).")},
+    {"tzname",          (PyCFunction)time_tzname,       METH_NOARGS,
+     PyDoc_STR("Return self.tzinfo.tzname(self).")},
 
-	{"dst",		(PyCFunction)time_dst,		METH_NOARGS,
-	 PyDoc_STR("Return self.tzinfo.dst(self).")},
+    {"dst",             (PyCFunction)time_dst,          METH_NOARGS,
+     PyDoc_STR("Return self.tzinfo.dst(self).")},
 
-	{"replace",     (PyCFunction)time_replace,	METH_VARARGS | METH_KEYWORDS,
-	 PyDoc_STR("Return time with new specified fields.")},
+    {"replace",     (PyCFunction)time_replace,          METH_VARARGS | METH_KEYWORDS,
+     PyDoc_STR("Return time with new specified fields.")},
 
-	{"__reduce__", (PyCFunction)time_reduce,        METH_NOARGS,
-	 PyDoc_STR("__reduce__() -> (cls, state)")},
+    {"__reduce__", (PyCFunction)time_reduce,        METH_NOARGS,
+     PyDoc_STR("__reduce__() -> (cls, state)")},
 
-	{NULL,	NULL}
+    {NULL,      NULL}
 };
 
 static char time_doc[] =
@@ -3546,61 +3546,61 @@
 a tzinfo subclass. The remaining arguments may be ints or longs.\n");
 
 static PyNumberMethods time_as_number = {
-	0,					/* nb_add */
-	0,					/* nb_subtract */
-	0,					/* nb_multiply */
-	0,					/* nb_divide */
-	0,					/* nb_remainder */
-	0,					/* nb_divmod */
-	0,					/* nb_power */
-	0,					/* nb_negative */
-	0,					/* nb_positive */
-	0,					/* nb_absolute */
-	(inquiry)time_nonzero,			/* nb_nonzero */
+    0,                                          /* nb_add */
+    0,                                          /* nb_subtract */
+    0,                                          /* nb_multiply */
+    0,                                          /* nb_divide */
+    0,                                          /* nb_remainder */
+    0,                                          /* nb_divmod */
+    0,                                          /* nb_power */
+    0,                                          /* nb_negative */
+    0,                                          /* nb_positive */
+    0,                                          /* nb_absolute */
+    (inquiry)time_nonzero,                      /* nb_nonzero */
 };
 
 statichere PyTypeObject PyDateTime_TimeType = {
-	PyObject_HEAD_INIT(NULL)
-	0,					/* ob_size */
-	"datetime.time",			/* tp_name */
-	sizeof(PyDateTime_Time),		/* tp_basicsize */
-	0,					/* tp_itemsize */
-	(destructor)time_dealloc,		/* tp_dealloc */
-	0,					/* tp_print */
-	0,					/* tp_getattr */
-	0,					/* tp_setattr */
-	0,					/* tp_compare */
-	(reprfunc)time_repr,			/* tp_repr */
-	&time_as_number,			/* tp_as_number */
-	0,					/* tp_as_sequence */
-	0,					/* tp_as_mapping */
-	(hashfunc)time_hash,			/* tp_hash */
-	0,              			/* tp_call */
-	(reprfunc)time_str,			/* tp_str */
-	PyObject_GenericGetAttr,		/* tp_getattro */
-	0,					/* tp_setattro */
-	0,					/* tp_as_buffer */
-	Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
-        Py_TPFLAGS_BASETYPE,			/* tp_flags */
-	time_doc,				/* tp_doc */
-	0,					/* tp_traverse */
-	0,					/* tp_clear */
-	(richcmpfunc)time_richcompare,		/* tp_richcompare */
-	0,					/* tp_weaklistoffset */
-	0,					/* tp_iter */
-	0,					/* tp_iternext */
-	time_methods,				/* tp_methods */
-	0,					/* tp_members */
-	time_getset,				/* tp_getset */
-	0,					/* tp_base */
-	0,					/* tp_dict */
-	0,					/* tp_descr_get */
-	0,					/* tp_descr_set */
-	0,					/* tp_dictoffset */
-	0,					/* tp_init */
-	time_alloc,				/* tp_alloc */
-	time_new,				/* tp_new */
-	0,					/* tp_free */
+    PyObject_HEAD_INIT(NULL)
+    0,                                          /* ob_size */
+    "datetime.time",                            /* tp_name */
+    sizeof(PyDateTime_Time),                    /* tp_basicsize */
+    0,                                          /* tp_itemsize */
+    (destructor)time_dealloc,                   /* tp_dealloc */
+    0,                                          /* tp_print */
+    0,                                          /* tp_getattr */
+    0,                                          /* tp_setattr */
+    0,                                          /* tp_compare */
+    (reprfunc)time_repr,                        /* tp_repr */
+    &time_as_number,                            /* tp_as_number */
+    0,                                          /* tp_as_sequence */
+    0,                                          /* tp_as_mapping */
+    (hashfunc)time_hash,                        /* tp_hash */
+    0,                                          /* tp_call */
+    (reprfunc)time_str,                         /* tp_str */
+    PyObject_GenericGetAttr,                    /* tp_getattro */
+    0,                                          /* tp_setattro */
+    0,                                          /* tp_as_buffer */
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
+    Py_TPFLAGS_BASETYPE,                        /* tp_flags */
+    time_doc,                                   /* tp_doc */
+    0,                                          /* tp_traverse */
+    0,                                          /* tp_clear */
+    (richcmpfunc)time_richcompare,              /* tp_richcompare */
+    0,                                          /* tp_weaklistoffset */
+    0,                                          /* tp_iter */
+    0,                                          /* tp_iternext */
+    time_methods,                               /* tp_methods */
+    0,                                          /* tp_members */
+    time_getset,                                /* tp_getset */
+    0,                                          /* tp_base */
+    0,                                          /* tp_dict */
+    0,                                          /* tp_descr_get */
+    0,                                          /* tp_descr_set */
+    0,                                          /* tp_dictoffset */
+    0,                                          /* tp_init */
+    time_alloc,                                 /* tp_alloc */
+    time_new,                                   /* tp_new */
+    0,                                          /* tp_free */
 };
 
 /*
@@ -3614,42 +3614,42 @@
 static PyObject *
 datetime_hour(PyDateTime_DateTime *self, void *unused)
 {
-	return PyInt_FromLong(DATE_GET_HOUR(self));
+    return PyInt_FromLong(DATE_GET_HOUR(self));
 }
 
 static PyObject *
 datetime_minute(PyDateTime_DateTime *self, void *unused)
 {
-	return PyInt_FromLong(DATE_GET_MINUTE(self));
+    return PyInt_FromLong(DATE_GET_MINUTE(self));
 }
 
 static PyObject *
 datetime_second(PyDateTime_DateTime *self, void *unused)
 {
-	return PyInt_FromLong(DATE_GET_SECOND(self));
+    return PyInt_FromLong(DATE_GET_SECOND(self));
 }
 
 static PyObject *
 datetime_microsecond(PyDateTime_DateTime *self, void *unused)
 {
-	return PyInt_FromLong(DATE_GET_MICROSECOND(self));
+    return PyInt_FromLong(DATE_GET_MICROSECOND(self));
 }
 
 static PyObject *
 datetime_tzinfo(PyDateTime_DateTime *self, void *unused)
 {
-	PyObject *result = HASTZINFO(self) ? self->tzinfo : Py_None;
-	Py_INCREF(result);
-	return result;
+    PyObject *result = HASTZINFO(self) ? self->tzinfo : Py_None;
+    Py_INCREF(result);
+    return result;
 }
 
 static PyGetSetDef datetime_getset[] = {
-	{"hour",        (getter)datetime_hour},
-	{"minute",      (getter)datetime_minute},
-	{"second",      (getter)datetime_second},
-	{"microsecond", (getter)datetime_microsecond},
-	{"tzinfo",	(getter)datetime_tzinfo},
-	{NULL}
+    {"hour",        (getter)datetime_hour},
+    {"minute",      (getter)datetime_minute},
+    {"second",      (getter)datetime_second},
+    {"microsecond", (getter)datetime_microsecond},
+    {"tzinfo",          (getter)datetime_tzinfo},
+    {NULL}
 };
 
 /*
@@ -3657,72 +3657,72 @@
  */
 
 static char *datetime_kws[] = {
-	"year", "month", "day", "hour", "minute", "second",
-	"microsecond", "tzinfo", NULL
+    "year", "month", "day", "hour", "minute", "second",
+    "microsecond", "tzinfo", NULL
 };
 
 static PyObject *
 datetime_new(PyTypeObject *type, PyObject *args, PyObject *kw)
 {
-	PyObject *self = NULL;
-	PyObject *state;
-	int year;
-	int month;
-	int day;
-	int hour = 0;
-	int minute = 0;
-	int second = 0;
-	int usecond = 0;
-	PyObject *tzinfo = Py_None;
+    PyObject *self = NULL;
+    PyObject *state;
+    int year;
+    int month;
+    int day;
+    int hour = 0;
+    int minute = 0;
+    int second = 0;
+    int usecond = 0;
+    PyObject *tzinfo = Py_None;
 
-	/* Check for invocation from pickle with __getstate__ state */
-	if (PyTuple_GET_SIZE(args) >= 1 &&
-	    PyTuple_GET_SIZE(args) <= 2 &&
-	    PyString_Check(state = PyTuple_GET_ITEM(args, 0)) &&
-	    PyString_GET_SIZE(state) == _PyDateTime_DATETIME_DATASIZE &&
-	    MONTH_IS_SANE(PyString_AS_STRING(state)[2]))
-	{
-		PyDateTime_DateTime *me;
-		char aware;
+    /* Check for invocation from pickle with __getstate__ state */
+    if (PyTuple_GET_SIZE(args) >= 1 &&
+        PyTuple_GET_SIZE(args) <= 2 &&
+        PyString_Check(state = PyTuple_GET_ITEM(args, 0)) &&
+        PyString_GET_SIZE(state) == _PyDateTime_DATETIME_DATASIZE &&
+        MONTH_IS_SANE(PyString_AS_STRING(state)[2]))
+    {
+        PyDateTime_DateTime *me;
+        char aware;
 
-		if (PyTuple_GET_SIZE(args) == 2) {
-			tzinfo = PyTuple_GET_ITEM(args, 1);
-			if (check_tzinfo_subclass(tzinfo) < 0) {
-				PyErr_SetString(PyExc_TypeError, "bad "
-					"tzinfo state arg");
-				return NULL;
-			}
-		}
-		aware = (char)(tzinfo != Py_None);
-		me = (PyDateTime_DateTime *) (type->tp_alloc(type , aware));
-		if (me != NULL) {
-			char *pdata = PyString_AS_STRING(state);
+        if (PyTuple_GET_SIZE(args) == 2) {
+            tzinfo = PyTuple_GET_ITEM(args, 1);
+            if (check_tzinfo_subclass(tzinfo) < 0) {
+                PyErr_SetString(PyExc_TypeError, "bad "
+                    "tzinfo state arg");
+                return NULL;
+            }
+        }
+        aware = (char)(tzinfo != Py_None);
+        me = (PyDateTime_DateTime *) (type->tp_alloc(type , aware));
+        if (me != NULL) {
+            char *pdata = PyString_AS_STRING(state);
 
-			memcpy(me->data, pdata, _PyDateTime_DATETIME_DATASIZE);
-			me->hashcode = -1;
-			me->hastzinfo = aware;
-			if (aware) {
-				Py_INCREF(tzinfo);
-				me->tzinfo = tzinfo;
-			}
-		}
-		return (PyObject *)me;
-	}
+            memcpy(me->data, pdata, _PyDateTime_DATETIME_DATASIZE);
+            me->hashcode = -1;
+            me->hastzinfo = aware;
+            if (aware) {
+                Py_INCREF(tzinfo);
+                me->tzinfo = tzinfo;
+            }
+        }
+        return (PyObject *)me;
+    }
 
-	if (PyArg_ParseTupleAndKeywords(args, kw, "iii|iiiiO", datetime_kws,
-					&year, &month, &day, &hour, &minute,
-					&second, &usecond, &tzinfo)) {
-		if (check_date_args(year, month, day) < 0)
-			return NULL;
-		if (check_time_args(hour, minute, second, usecond) < 0)
-			return NULL;
-		if (check_tzinfo_subclass(tzinfo) < 0)
-			return NULL;
-		self = new_datetime_ex(year, month, day,
-				    	hour, minute, second, usecond,
-				    	tzinfo, type);
-	}
-	return self;
+    if (PyArg_ParseTupleAndKeywords(args, kw, "iii|iiiiO", datetime_kws,
+                                    &year, &month, &day, &hour, &minute,
+                                    &second, &usecond, &tzinfo)) {
+        if (check_date_args(year, month, day) < 0)
+            return NULL;
+        if (check_time_args(hour, minute, second, usecond) < 0)
+            return NULL;
+        if (check_tzinfo_subclass(tzinfo) < 0)
+            return NULL;
+        self = new_datetime_ex(year, month, day,
+                                hour, minute, second, usecond,
+                                tzinfo, type);
+    }
+    return self;
 }
 
 /* TM_FUNC is the shared type of localtime() and gmtime(). */
@@ -3734,36 +3734,36 @@
  */
 static PyObject *
 datetime_from_timet_and_us(PyObject *cls, TM_FUNC f, time_t timet, int us,
-			   PyObject *tzinfo)
+                           PyObject *tzinfo)
 {
-	struct tm *tm;
-	PyObject *result = NULL;
+    struct tm *tm;
+    PyObject *result = NULL;
 
-	tm = f(&timet);
-	if (tm) {
-		/* The platform localtime/gmtime may insert leap seconds,
-		 * indicated by tm->tm_sec > 59.  We don't care about them,
-		 * except to the extent that passing them on to the datetime
-		 * constructor would raise ValueError for a reason that
-		 * made no sense to the user.
-		 */
-		if (tm->tm_sec > 59)
-			tm->tm_sec = 59;
-		result = PyObject_CallFunction(cls, "iiiiiiiO",
-					       tm->tm_year + 1900,
-					       tm->tm_mon + 1,
-					       tm->tm_mday,
-					       tm->tm_hour,
-					       tm->tm_min,
-					       tm->tm_sec,
-					       us,
-					       tzinfo);
-	}
-	else
-		PyErr_SetString(PyExc_ValueError,
-				"timestamp out of range for "
-				"platform localtime()/gmtime() function");
-	return result;
+    tm = f(&timet);
+    if (tm) {
+        /* The platform localtime/gmtime may insert leap seconds,
+         * indicated by tm->tm_sec > 59.  We don't care about them,
+         * except to the extent that passing them on to the datetime
+         * constructor would raise ValueError for a reason that
+         * made no sense to the user.
+         */
+        if (tm->tm_sec > 59)
+            tm->tm_sec = 59;
+        result = PyObject_CallFunction(cls, "iiiiiiiO",
+                                       tm->tm_year + 1900,
+                                       tm->tm_mon + 1,
+                                       tm->tm_mday,
+                                       tm->tm_hour,
+                                       tm->tm_min,
+                                       tm->tm_sec,
+                                       us,
+                                       tzinfo);
+    }
+    else
+        PyErr_SetString(PyExc_ValueError,
+                        "timestamp out of range for "
+                        "platform localtime()/gmtime() function");
+    return result;
 }
 
 /* Internal helper.
@@ -3775,31 +3775,31 @@
  */
 static PyObject *
 datetime_from_timestamp(PyObject *cls, TM_FUNC f, double timestamp,
-			PyObject *tzinfo)
+                        PyObject *tzinfo)
 {
-	time_t timet;
-	double fraction;
-	int us;
+    time_t timet;
+    double fraction;
+    int us;
 
-	timet = _PyTime_DoubleToTimet(timestamp);
-	if (timet == (time_t)-1 && PyErr_Occurred())
-		return NULL;
-	fraction = timestamp - (double)timet;
-	us = (int)round_to_long(fraction * 1e6);
-	if (us < 0) {
-		/* Truncation towards zero is not what we wanted
-		   for negative numbers (Python's mod semantics) */
-		timet -= 1;
-		us += 1000000;
-	}
-	/* If timestamp is less than one microsecond smaller than a
-	 * full second, round up. Otherwise, ValueErrors are raised
-	 * for some floats. */
-	if (us == 1000000) {
-		timet += 1;
-		us = 0;
-	}
-	return datetime_from_timet_and_us(cls, f, timet, us, tzinfo);
+    timet = _PyTime_DoubleToTimet(timestamp);
+    if (timet == (time_t)-1 && PyErr_Occurred())
+        return NULL;
+    fraction = timestamp - (double)timet;
+    us = (int)round_to_long(fraction * 1e6);
+    if (us < 0) {
+        /* Truncation towards zero is not what we wanted
+           for negative numbers (Python's mod semantics) */
+        timet -= 1;
+        us += 1000000;
+    }
+    /* If timestamp is less than one microsecond smaller than a
+     * full second, round up. Otherwise, ValueErrors are raised
+     * for some floats. */
+    if (us == 1000000) {
+        timet += 1;
+        us = 0;
+    }
+    return datetime_from_timet_and_us(cls, f, timet, us, tzinfo);
 }
 
 /* Internal helper.
@@ -3810,36 +3810,36 @@
 datetime_best_possible(PyObject *cls, TM_FUNC f, PyObject *tzinfo)
 {
 #ifdef HAVE_GETTIMEOFDAY
-	struct timeval t;
+    struct timeval t;
 
 #ifdef GETTIMEOFDAY_NO_TZ
-	gettimeofday(&t);
+    gettimeofday(&t);
 #else
-	gettimeofday(&t, (struct timezone *)NULL);
+    gettimeofday(&t, (struct timezone *)NULL);
 #endif
-	return datetime_from_timet_and_us(cls, f, t.tv_sec, (int)t.tv_usec,
-					  tzinfo);
+    return datetime_from_timet_and_us(cls, f, t.tv_sec, (int)t.tv_usec,
+                                      tzinfo);
 
-#else	/* ! HAVE_GETTIMEOFDAY */
-	/* No flavor of gettimeofday exists on this platform.  Python's
-	 * time.time() does a lot of other platform tricks to get the
-	 * best time it can on the platform, and we're not going to do
-	 * better than that (if we could, the better code would belong
-	 * in time.time()!)  We're limited by the precision of a double,
-	 * though.
-	 */
-	PyObject *time;
-	double dtime;
+#else   /* ! HAVE_GETTIMEOFDAY */
+    /* No flavor of gettimeofday exists on this platform.  Python's
+     * time.time() does a lot of other platform tricks to get the
+     * best time it can on the platform, and we're not going to do
+     * better than that (if we could, the better code would belong
+     * in time.time()!)  We're limited by the precision of a double,
+     * though.
+     */
+    PyObject *time;
+    double dtime;
 
-	time = time_time();
-    	if (time == NULL)
-    		return NULL;
-	dtime = PyFloat_AsDouble(time);
-	Py_DECREF(time);
-	if (dtime == -1.0 && PyErr_Occurred())
-		return NULL;
-	return datetime_from_timestamp(cls, f, dtime, tzinfo);
-#endif	/* ! HAVE_GETTIMEOFDAY */
+    time = time_time();
+    if (time == NULL)
+        return NULL;
+    dtime = PyFloat_AsDouble(time);
+    Py_DECREF(time);
+    if (dtime == -1.0 && PyErr_Occurred())
+        return NULL;
+    return datetime_from_timestamp(cls, f, dtime, tzinfo);
+#endif  /* ! HAVE_GETTIMEOFDAY */
 }
 
 /* Return best possible local time -- this isn't constrained by the
@@ -3848,26 +3848,26 @@
 static PyObject *
 datetime_now(PyObject *cls, PyObject *args, PyObject *kw)
 {
-	PyObject *self;
-	PyObject *tzinfo = Py_None;
-	static char *keywords[] = {"tz", NULL};
+    PyObject *self;
+    PyObject *tzinfo = Py_None;
+    static char *keywords[] = {"tz", NULL};
 
-	if (! PyArg_ParseTupleAndKeywords(args, kw, "|O:now", keywords,
-					  &tzinfo))
-		return NULL;
-	if (check_tzinfo_subclass(tzinfo) < 0)
-		return NULL;
+    if (! PyArg_ParseTupleAndKeywords(args, kw, "|O:now", keywords,
+                                      &tzinfo))
+        return NULL;
+    if (check_tzinfo_subclass(tzinfo) < 0)
+        return NULL;
 
-	self = datetime_best_possible(cls,
-				      tzinfo == Py_None ? localtime : gmtime,
-				      tzinfo);
-	if (self != NULL && tzinfo != Py_None) {
-		/* Convert UTC to tzinfo's zone. */
-		PyObject *temp = self;
-		self = PyObject_CallMethod(tzinfo, "fromutc", "O", self);
-		Py_DECREF(temp);
-	}
-	return self;
+    self = datetime_best_possible(cls,
+                                  tzinfo == Py_None ? localtime : gmtime,
+                                  tzinfo);
+    if (self != NULL && tzinfo != Py_None) {
+        /* Convert UTC to tzinfo's zone. */
+        PyObject *temp = self;
+        self = PyObject_CallMethod(tzinfo, "fromutc", "O", self);
+        Py_DECREF(temp);
+    }
+    return self;
 }
 
 /* Return best possible UTC time -- this isn't constrained by the
@@ -3876,147 +3876,147 @@
 static PyObject *
 datetime_utcnow(PyObject *cls, PyObject *dummy)
 {
-	return datetime_best_possible(cls, gmtime, Py_None);
+    return datetime_best_possible(cls, gmtime, Py_None);
 }
 
 /* Return new local datetime from timestamp (Python timestamp -- a double). */
 static PyObject *
 datetime_fromtimestamp(PyObject *cls, PyObject *args, PyObject *kw)
 {
-	PyObject *self;
-	double timestamp;
-	PyObject *tzinfo = Py_None;
-	static char *keywords[] = {"timestamp", "tz", NULL};
+    PyObject *self;
+    double timestamp;
+    PyObject *tzinfo = Py_None;
+    static char *keywords[] = {"timestamp", "tz", NULL};
 
-	if (! PyArg_ParseTupleAndKeywords(args, kw, "d|O:fromtimestamp",
-					  keywords, &timestamp, &tzinfo))
-		return NULL;
-	if (check_tzinfo_subclass(tzinfo) < 0)
-		return NULL;
+    if (! PyArg_ParseTupleAndKeywords(args, kw, "d|O:fromtimestamp",
+                                      keywords, &timestamp, &tzinfo))
+        return NULL;
+    if (check_tzinfo_subclass(tzinfo) < 0)
+        return NULL;
 
-	self = datetime_from_timestamp(cls,
-				       tzinfo == Py_None ? localtime : gmtime,
-				       timestamp,
-				       tzinfo);
-	if (self != NULL && tzinfo != Py_None) {
-		/* Convert UTC to tzinfo's zone. */
-		PyObject *temp = self;
-		self = PyObject_CallMethod(tzinfo, "fromutc", "O", self);
-		Py_DECREF(temp);
-	}
-	return self;
+    self = datetime_from_timestamp(cls,
+                                   tzinfo == Py_None ? localtime : gmtime,
+                                   timestamp,
+                                   tzinfo);
+    if (self != NULL && tzinfo != Py_None) {
+        /* Convert UTC to tzinfo's zone. */
+        PyObject *temp = self;
+        self = PyObject_CallMethod(tzinfo, "fromutc", "O", self);
+        Py_DECREF(temp);
+    }
+    return self;
 }
 
 /* Return new UTC datetime from timestamp (Python timestamp -- a double). */
 static PyObject *
 datetime_utcfromtimestamp(PyObject *cls, PyObject *args)
 {
-	double timestamp;
-	PyObject *result = NULL;
+    double timestamp;
+    PyObject *result = NULL;
 
-	if (PyArg_ParseTuple(args, "d:utcfromtimestamp", &timestamp))
-		result = datetime_from_timestamp(cls, gmtime, timestamp,
-						 Py_None);
-	return result;
+    if (PyArg_ParseTuple(args, "d:utcfromtimestamp", &timestamp))
+        result = datetime_from_timestamp(cls, gmtime, timestamp,
+                                         Py_None);
+    return result;
 }
 
 /* Return new datetime from time.strptime(). */
 static PyObject *
 datetime_strptime(PyObject *cls, PyObject *args)
 {
-	static PyObject *module = NULL;
-	PyObject *result = NULL, *obj, *st = NULL, *frac = NULL;
-	const char *string, *format;
+    static PyObject *module = NULL;
+    PyObject *result = NULL, *obj, *st = NULL, *frac = NULL;
+    const char *string, *format;
 
-	if (!PyArg_ParseTuple(args, "ss:strptime", &string, &format))
-		return NULL;
+    if (!PyArg_ParseTuple(args, "ss:strptime", &string, &format))
+        return NULL;
 
-	if (module == NULL &&
-	    (module = PyImport_ImportModuleNoBlock("_strptime")) == NULL)
-		return NULL;
+    if (module == NULL &&
+        (module = PyImport_ImportModuleNoBlock("_strptime")) == NULL)
+        return NULL;
 
-	/* _strptime._strptime returns a two-element tuple.  The first
-	   element is a time.struct_time object.  The second is the
-	   microseconds (which are not defined for time.struct_time). */
-	obj = PyObject_CallMethod(module, "_strptime", "ss", string, format);
-	if (obj != NULL) {
-		int i, good_timetuple = 1;
-		long int ia[7];
-		if (PySequence_Check(obj) && PySequence_Size(obj) == 2) {
-			st = PySequence_GetItem(obj, 0);
-			frac = PySequence_GetItem(obj, 1);
-			if (st == NULL || frac == NULL)
-				good_timetuple = 0;
-			/* copy y/m/d/h/m/s values out of the
-			   time.struct_time */
-			if (good_timetuple &&
-			    PySequence_Check(st) &&
-			    PySequence_Size(st) >= 6) {
-				for (i=0; i < 6; i++) {
-					PyObject *p = PySequence_GetItem(st, i);
-					if (p == NULL) {
-						good_timetuple = 0;
-						break;
-					}
-					if (PyInt_Check(p))
-						ia[i] = PyInt_AsLong(p);
-					else
-						good_timetuple = 0;
-					Py_DECREF(p);
-				}
-			}
-			else
-				good_timetuple = 0;
-			/* follow that up with a little dose of microseconds */
-			if (good_timetuple && PyInt_Check(frac))
-				ia[6] = PyInt_AsLong(frac);
-			else
-				good_timetuple = 0;
-		}
-		else
-			good_timetuple = 0;
-		if (good_timetuple)
-			result = PyObject_CallFunction(cls, "iiiiiii",
-						       ia[0], ia[1], ia[2],
-						       ia[3], ia[4], ia[5],
-						       ia[6]);
-		else
-			PyErr_SetString(PyExc_ValueError,
-				"unexpected value from _strptime._strptime");
-	}
-	Py_XDECREF(obj);
-	Py_XDECREF(st);
-	Py_XDECREF(frac);
-	return result;
+    /* _strptime._strptime returns a two-element tuple.  The first
+       element is a time.struct_time object.  The second is the
+       microseconds (which are not defined for time.struct_time). */
+    obj = PyObject_CallMethod(module, "_strptime", "ss", string, format);
+    if (obj != NULL) {
+        int i, good_timetuple = 1;
+        long int ia[7];
+        if (PySequence_Check(obj) && PySequence_Size(obj) == 2) {
+            st = PySequence_GetItem(obj, 0);
+            frac = PySequence_GetItem(obj, 1);
+            if (st == NULL || frac == NULL)
+                good_timetuple = 0;
+            /* copy y/m/d/h/m/s values out of the
+               time.struct_time */
+            if (good_timetuple &&
+                PySequence_Check(st) &&
+                PySequence_Size(st) >= 6) {
+                for (i=0; i < 6; i++) {
+                    PyObject *p = PySequence_GetItem(st, i);
+                    if (p == NULL) {
+                        good_timetuple = 0;
+                        break;
+                    }
+                    if (PyInt_Check(p))
+                        ia[i] = PyInt_AsLong(p);
+                    else
+                        good_timetuple = 0;
+                    Py_DECREF(p);
+                }
+            }
+            else
+                good_timetuple = 0;
+            /* follow that up with a little dose of microseconds */
+            if (good_timetuple && PyInt_Check(frac))
+                ia[6] = PyInt_AsLong(frac);
+            else
+                good_timetuple = 0;
+        }
+        else
+            good_timetuple = 0;
+        if (good_timetuple)
+            result = PyObject_CallFunction(cls, "iiiiiii",
+                                           ia[0], ia[1], ia[2],
+                                           ia[3], ia[4], ia[5],
+                                           ia[6]);
+        else
+            PyErr_SetString(PyExc_ValueError,
+                "unexpected value from _strptime._strptime");
+    }
+    Py_XDECREF(obj);
+    Py_XDECREF(st);
+    Py_XDECREF(frac);
+    return result;
 }
 
 /* Return new datetime from date/datetime and time arguments. */
 static PyObject *
 datetime_combine(PyObject *cls, PyObject *args, PyObject *kw)
 {
- 	static char *keywords[] = {"date", "time", NULL};
-	PyObject *date;
-	PyObject *time;
-	PyObject *result = NULL;
+    static char *keywords[] = {"date", "time", NULL};
+    PyObject *date;
+    PyObject *time;
+    PyObject *result = NULL;
 
-	if (PyArg_ParseTupleAndKeywords(args, kw, "O!O!:combine", keywords,
-					&PyDateTime_DateType, &date,
-					&PyDateTime_TimeType, &time)) {
-		PyObject *tzinfo = Py_None;
+    if (PyArg_ParseTupleAndKeywords(args, kw, "O!O!:combine", keywords,
+                                    &PyDateTime_DateType, &date,
+                                    &PyDateTime_TimeType, &time)) {
+        PyObject *tzinfo = Py_None;
 
-		if (HASTZINFO(time))
-			tzinfo = ((PyDateTime_Time *)time)->tzinfo;
-		result = PyObject_CallFunction(cls, "iiiiiiiO",
-						GET_YEAR(date),
-				    		GET_MONTH(date),
-						GET_DAY(date),
-				    		TIME_GET_HOUR(time),
-				    		TIME_GET_MINUTE(time),
-				    		TIME_GET_SECOND(time),
-				    		TIME_GET_MICROSECOND(time),
-				    		tzinfo);
-	}
-	return result;
+        if (HASTZINFO(time))
+            tzinfo = ((PyDateTime_Time *)time)->tzinfo;
+        result = PyObject_CallFunction(cls, "iiiiiiiO",
+                                        GET_YEAR(date),
+                                        GET_MONTH(date),
+                                        GET_DAY(date),
+                                        TIME_GET_HOUR(time),
+                                        TIME_GET_MINUTE(time),
+                                        TIME_GET_SECOND(time),
+                                        TIME_GET_MICROSECOND(time),
+                                        tzinfo);
+    }
+    return result;
 }
 
 /*
@@ -4026,10 +4026,10 @@
 static void
 datetime_dealloc(PyDateTime_DateTime *self)
 {
-	if (HASTZINFO(self)) {
-		Py_XDECREF(self->tzinfo);
-	}
-	Py_TYPE(self)->tp_free((PyObject *)self);
+    if (HASTZINFO(self)) {
+        Py_XDECREF(self->tzinfo);
+    }
+    Py_TYPE(self)->tp_free((PyObject *)self);
 }
 
 /*
@@ -4039,20 +4039,20 @@
 /* These are all METH_NOARGS, so don't need to check the arglist. */
 static PyObject *
 datetime_utcoffset(PyDateTime_DateTime *self, PyObject *unused) {
-	return offset_as_timedelta(HASTZINFO(self) ? self->tzinfo : Py_None,
-				   "utcoffset", (PyObject *)self);
+    return offset_as_timedelta(HASTZINFO(self) ? self->tzinfo : Py_None,
+                               "utcoffset", (PyObject *)self);
 }
 
 static PyObject *
 datetime_dst(PyDateTime_DateTime *self, PyObject *unused) {
-	return offset_as_timedelta(HASTZINFO(self) ? self->tzinfo : Py_None,
-				   "dst", (PyObject *)self);
+    return offset_as_timedelta(HASTZINFO(self) ? self->tzinfo : Py_None,
+                               "dst", (PyObject *)self);
 }
 
 static PyObject *
 datetime_tzname(PyDateTime_DateTime *self, PyObject *unused) {
-	return call_tzname(HASTZINFO(self) ? self->tzinfo : Py_None,
-			   (PyObject *)self);
+    return call_tzname(HASTZINFO(self) ? self->tzinfo : Py_None,
+                       (PyObject *)self);
 }
 
 /*
@@ -4064,112 +4064,112 @@
  */
 static PyObject *
 add_datetime_timedelta(PyDateTime_DateTime *date, PyDateTime_Delta *delta,
-		       int factor)
+                       int factor)
 {
-	/* Note that the C-level additions can't overflow, because of
-	 * invariant bounds on the member values.
-	 */
-	int year = GET_YEAR(date);
-	int month = GET_MONTH(date);
-	int day = GET_DAY(date) + GET_TD_DAYS(delta) * factor;
-	int hour = DATE_GET_HOUR(date);
-	int minute = DATE_GET_MINUTE(date);
-	int second = DATE_GET_SECOND(date) + GET_TD_SECONDS(delta) * factor;
-	int microsecond = DATE_GET_MICROSECOND(date) +
-			  GET_TD_MICROSECONDS(delta) * factor;
+    /* Note that the C-level additions can't overflow, because of
+     * invariant bounds on the member values.
+     */
+    int year = GET_YEAR(date);
+    int month = GET_MONTH(date);
+    int day = GET_DAY(date) + GET_TD_DAYS(delta) * factor;
+    int hour = DATE_GET_HOUR(date);
+    int minute = DATE_GET_MINUTE(date);
+    int second = DATE_GET_SECOND(date) + GET_TD_SECONDS(delta) * factor;
+    int microsecond = DATE_GET_MICROSECOND(date) +
+                      GET_TD_MICROSECONDS(delta) * factor;
 
-	assert(factor == 1 || factor == -1);
-	if (normalize_datetime(&year, &month, &day,
-			       &hour, &minute, &second, &microsecond) < 0)
-		return NULL;
-	else
-		return new_datetime(year, month, day,
-				    hour, minute, second, microsecond,
-				    HASTZINFO(date) ? date->tzinfo : Py_None);
+    assert(factor == 1 || factor == -1);
+    if (normalize_datetime(&year, &month, &day,
+                           &hour, &minute, &second, &microsecond) < 0)
+        return NULL;
+    else
+        return new_datetime(year, month, day,
+                            hour, minute, second, microsecond,
+                            HASTZINFO(date) ? date->tzinfo : Py_None);
 }
 
 static PyObject *
 datetime_add(PyObject *left, PyObject *right)
 {
-	if (PyDateTime_Check(left)) {
-		/* datetime + ??? */
-		if (PyDelta_Check(right))
-			/* datetime + delta */
-			return add_datetime_timedelta(
-					(PyDateTime_DateTime *)left,
-					(PyDateTime_Delta *)right,
-					1);
-	}
-	else if (PyDelta_Check(left)) {
-		/* delta + datetime */
-		return add_datetime_timedelta((PyDateTime_DateTime *) right,
-					      (PyDateTime_Delta *) left,
-					      1);
-	}
-	Py_INCREF(Py_NotImplemented);
-	return Py_NotImplemented;
+    if (PyDateTime_Check(left)) {
+        /* datetime + ??? */
+        if (PyDelta_Check(right))
+            /* datetime + delta */
+            return add_datetime_timedelta(
+                            (PyDateTime_DateTime *)left,
+                            (PyDateTime_Delta *)right,
+                            1);
+    }
+    else if (PyDelta_Check(left)) {
+        /* delta + datetime */
+        return add_datetime_timedelta((PyDateTime_DateTime *) right,
+                                      (PyDateTime_Delta *) left,
+                                      1);
+    }
+    Py_INCREF(Py_NotImplemented);
+    return Py_NotImplemented;
 }
 
 static PyObject *
 datetime_subtract(PyObject *left, PyObject *right)
 {
-	PyObject *result = Py_NotImplemented;
+    PyObject *result = Py_NotImplemented;
 
-	if (PyDateTime_Check(left)) {
-		/* datetime - ??? */
-		if (PyDateTime_Check(right)) {
-			/* datetime - datetime */
-			naivety n1, n2;
-			int offset1, offset2;
-			int delta_d, delta_s, delta_us;
+    if (PyDateTime_Check(left)) {
+        /* datetime - ??? */
+        if (PyDateTime_Check(right)) {
+            /* datetime - datetime */
+            naivety n1, n2;
+            int offset1, offset2;
+            int delta_d, delta_s, delta_us;
 
-			if (classify_two_utcoffsets(left, &offset1, &n1, left,
-						    right, &offset2, &n2,
-						    right) < 0)
-				return NULL;
-			assert(n1 != OFFSET_UNKNOWN && n2 != OFFSET_UNKNOWN);
-			if (n1 != n2) {
-				PyErr_SetString(PyExc_TypeError,
-					"can't subtract offset-naive and "
-					"offset-aware datetimes");
-				return NULL;
-			}
-			delta_d = ymd_to_ord(GET_YEAR(left),
-					     GET_MONTH(left),
-					     GET_DAY(left)) -
-				  ymd_to_ord(GET_YEAR(right),
-					     GET_MONTH(right),
-					     GET_DAY(right));
-			/* These can't overflow, since the values are
-			 * normalized.  At most this gives the number of
-			 * seconds in one day.
-			 */
-			delta_s = (DATE_GET_HOUR(left) -
-				   DATE_GET_HOUR(right)) * 3600 +
-			          (DATE_GET_MINUTE(left) -
-			           DATE_GET_MINUTE(right)) * 60 +
-				  (DATE_GET_SECOND(left) -
-				   DATE_GET_SECOND(right));
-			delta_us = DATE_GET_MICROSECOND(left) -
-				   DATE_GET_MICROSECOND(right);
-			/* (left - offset1) - (right - offset2) =
-			 * (left - right) + (offset2 - offset1)
-			 */
-			delta_s += (offset2 - offset1) * 60;
-			result = new_delta(delta_d, delta_s, delta_us, 1);
-		}
-		else if (PyDelta_Check(right)) {
-			/* datetime - delta */
-			result = add_datetime_timedelta(
-					(PyDateTime_DateTime *)left,
-					(PyDateTime_Delta *)right,
-					-1);
-		}
-	}
+            if (classify_two_utcoffsets(left, &offset1, &n1, left,
+                                        right, &offset2, &n2,
+                                        right) < 0)
+                return NULL;
+            assert(n1 != OFFSET_UNKNOWN && n2 != OFFSET_UNKNOWN);
+            if (n1 != n2) {
+                PyErr_SetString(PyExc_TypeError,
+                    "can't subtract offset-naive and "
+                    "offset-aware datetimes");
+                return NULL;
+            }
+            delta_d = ymd_to_ord(GET_YEAR(left),
+                                 GET_MONTH(left),
+                                 GET_DAY(left)) -
+                      ymd_to_ord(GET_YEAR(right),
+                                 GET_MONTH(right),
+                                 GET_DAY(right));
+            /* These can't overflow, since the values are
+             * normalized.  At most this gives the number of
+             * seconds in one day.
+             */
+            delta_s = (DATE_GET_HOUR(left) -
+                       DATE_GET_HOUR(right)) * 3600 +
+                      (DATE_GET_MINUTE(left) -
+                       DATE_GET_MINUTE(right)) * 60 +
+                      (DATE_GET_SECOND(left) -
+                       DATE_GET_SECOND(right));
+            delta_us = DATE_GET_MICROSECOND(left) -
+                       DATE_GET_MICROSECOND(right);
+            /* (left - offset1) - (right - offset2) =
+             * (left - right) + (offset2 - offset1)
+             */
+            delta_s += (offset2 - offset1) * 60;
+            result = new_delta(delta_d, delta_s, delta_us, 1);
+        }
+        else if (PyDelta_Check(right)) {
+            /* datetime - delta */
+            result = add_datetime_timedelta(
+                            (PyDateTime_DateTime *)left,
+                            (PyDateTime_Delta *)right,
+                            -1);
+        }
+    }
 
-	if (result == Py_NotImplemented)
-		Py_INCREF(result);
-	return result;
+    if (result == Py_NotImplemented)
+        Py_INCREF(result);
+    return result;
 }
 
 /* Various ways to turn a datetime into a string. */
@@ -4177,83 +4177,83 @@
 static PyObject *
 datetime_repr(PyDateTime_DateTime *self)
 {
-	char buffer[1000];
-	const char *type_name = Py_TYPE(self)->tp_name;
-	PyObject *baserepr;
+    char buffer[1000];
+    const char *type_name = Py_TYPE(self)->tp_name;
+    PyObject *baserepr;
 
-	if (DATE_GET_MICROSECOND(self)) {
-		PyOS_snprintf(buffer, sizeof(buffer),
-			      "%s(%d, %d, %d, %d, %d, %d, %d)",
-			      type_name,
-			      GET_YEAR(self), GET_MONTH(self), GET_DAY(self),
-			      DATE_GET_HOUR(self), DATE_GET_MINUTE(self),
-			      DATE_GET_SECOND(self),
-			      DATE_GET_MICROSECOND(self));
-	}
-	else if (DATE_GET_SECOND(self)) {
-		PyOS_snprintf(buffer, sizeof(buffer),
-			      "%s(%d, %d, %d, %d, %d, %d)",
-			      type_name,
-			      GET_YEAR(self), GET_MONTH(self), GET_DAY(self),
-			      DATE_GET_HOUR(self), DATE_GET_MINUTE(self),
-			      DATE_GET_SECOND(self));
-	}
-	else {
-		PyOS_snprintf(buffer, sizeof(buffer),
-			      "%s(%d, %d, %d, %d, %d)",
-			      type_name,
-			      GET_YEAR(self), GET_MONTH(self), GET_DAY(self),
-			      DATE_GET_HOUR(self), DATE_GET_MINUTE(self));
-	}
-	baserepr = PyString_FromString(buffer);
-	if (baserepr == NULL || ! HASTZINFO(self))
-		return baserepr;
-	return append_keyword_tzinfo(baserepr, self->tzinfo);
+    if (DATE_GET_MICROSECOND(self)) {
+        PyOS_snprintf(buffer, sizeof(buffer),
+                      "%s(%d, %d, %d, %d, %d, %d, %d)",
+                      type_name,
+                      GET_YEAR(self), GET_MONTH(self), GET_DAY(self),
+                      DATE_GET_HOUR(self), DATE_GET_MINUTE(self),
+                      DATE_GET_SECOND(self),
+                      DATE_GET_MICROSECOND(self));
+    }
+    else if (DATE_GET_SECOND(self)) {
+        PyOS_snprintf(buffer, sizeof(buffer),
+                      "%s(%d, %d, %d, %d, %d, %d)",
+                      type_name,
+                      GET_YEAR(self), GET_MONTH(self), GET_DAY(self),
+                      DATE_GET_HOUR(self), DATE_GET_MINUTE(self),
+                      DATE_GET_SECOND(self));
+    }
+    else {
+        PyOS_snprintf(buffer, sizeof(buffer),
+                      "%s(%d, %d, %d, %d, %d)",
+                      type_name,
+                      GET_YEAR(self), GET_MONTH(self), GET_DAY(self),
+                      DATE_GET_HOUR(self), DATE_GET_MINUTE(self));
+    }
+    baserepr = PyString_FromString(buffer);
+    if (baserepr == NULL || ! HASTZINFO(self))
+        return baserepr;
+    return append_keyword_tzinfo(baserepr, self->tzinfo);
 }
 
 static PyObject *
 datetime_str(PyDateTime_DateTime *self)
 {
-	return PyObject_CallMethod((PyObject *)self, "isoformat", "(s)", " ");
+    return PyObject_CallMethod((PyObject *)self, "isoformat", "(s)", " ");
 }
 
 static PyObject *
 datetime_isoformat(PyDateTime_DateTime *self, PyObject *args, PyObject *kw)
 {
-	char sep = 'T';
-	static char *keywords[] = {"sep", NULL};
-	char buffer[100];
-	char *cp;
-	PyObject *result;
+    char sep = 'T';
+    static char *keywords[] = {"sep", NULL};
+    char buffer[100];
+    char *cp;
+    PyObject *result;
 
-	if (!PyArg_ParseTupleAndKeywords(args, kw, "|c:isoformat", keywords,
-					 &sep))
-		return NULL;
-	cp = isoformat_date((PyDateTime_Date *)self, buffer, sizeof(buffer));
-	assert(cp != NULL);
-	*cp++ = sep;
-	cp = isoformat_time(self, cp, sizeof(buffer) - (cp - buffer));
-	result = PyString_FromStringAndSize(buffer, cp - buffer);
-	if (result == NULL || ! HASTZINFO(self))
-		return result;
+    if (!PyArg_ParseTupleAndKeywords(args, kw, "|c:isoformat", keywords,
+                                     &sep))
+        return NULL;
+    cp = isoformat_date((PyDateTime_Date *)self, buffer, sizeof(buffer));
+    assert(cp != NULL);
+    *cp++ = sep;
+    cp = isoformat_time(self, cp, sizeof(buffer) - (cp - buffer));
+    result = PyString_FromStringAndSize(buffer, cp - buffer);
+    if (result == NULL || ! HASTZINFO(self))
+        return result;
 
-	/* We need to append the UTC offset. */
-	if (format_utcoffset(buffer, sizeof(buffer), ":", self->tzinfo,
-			     (PyObject *)self) < 0) {
-		Py_DECREF(result);
-		return NULL;
-	}
-	PyString_ConcatAndDel(&result, PyString_FromString(buffer));
-	return result;
+    /* We need to append the UTC offset. */
+    if (format_utcoffset(buffer, sizeof(buffer), ":", self->tzinfo,
+                         (PyObject *)self) < 0) {
+        Py_DECREF(result);
+        return NULL;
+    }
+    PyString_ConcatAndDel(&result, PyString_FromString(buffer));
+    return result;
 }
 
 static PyObject *
 datetime_ctime(PyDateTime_DateTime *self)
 {
-	return format_ctime((PyDateTime_Date *)self,
-			    DATE_GET_HOUR(self),
-			    DATE_GET_MINUTE(self),
-			    DATE_GET_SECOND(self));
+    return format_ctime((PyDateTime_Date *)self,
+                        DATE_GET_HOUR(self),
+                        DATE_GET_MINUTE(self),
+                        DATE_GET_SECOND(self));
 }
 
 /* Miscellaneous methods. */
@@ -4265,298 +4265,298 @@
 static PyObject *
 datetime_richcompare(PyDateTime_DateTime *self, PyObject *other, int op)
 {
-	int diff;
-	naivety n1, n2;
-	int offset1, offset2;
+    int diff;
+    naivety n1, n2;
+    int offset1, offset2;
 
-	if (! PyDateTime_Check(other)) {
-		/* If other has a "timetuple" attr, that's an advertised
-		 * hook for other classes to ask to get comparison control.
-		 * However, date instances have a timetuple attr, and we
-		 * don't want to allow that comparison.  Because datetime
-		 * is a subclass of date, when mixing date and datetime
-		 * in a comparison, Python gives datetime the first shot
-		 * (it's the more specific subtype).  So we can stop that
-		 * combination here reliably.
-		 */
-		if (PyObject_HasAttrString(other, "timetuple") &&
-		    ! PyDate_Check(other)) {
-			/* A hook for other kinds of datetime objects. */
-			Py_INCREF(Py_NotImplemented);
-			return Py_NotImplemented;
-		}
-		if (op == Py_EQ || op == Py_NE) {
-			PyObject *result = op == Py_EQ ? Py_False : Py_True;
-			Py_INCREF(result);
-			return result;
-		}
-		/* Stop this from falling back to address comparison. */
-		return cmperror((PyObject *)self, other);
-	}
+    if (! PyDateTime_Check(other)) {
+        /* If other has a "timetuple" attr, that's an advertised
+         * hook for other classes to ask to get comparison control.
+         * However, date instances have a timetuple attr, and we
+         * don't want to allow that comparison.  Because datetime
+         * is a subclass of date, when mixing date and datetime
+         * in a comparison, Python gives datetime the first shot
+         * (it's the more specific subtype).  So we can stop that
+         * combination here reliably.
+         */
+        if (PyObject_HasAttrString(other, "timetuple") &&
+            ! PyDate_Check(other)) {
+            /* A hook for other kinds of datetime objects. */
+            Py_INCREF(Py_NotImplemented);
+            return Py_NotImplemented;
+        }
+        if (op == Py_EQ || op == Py_NE) {
+            PyObject *result = op == Py_EQ ? Py_False : Py_True;
+            Py_INCREF(result);
+            return result;
+        }
+        /* Stop this from falling back to address comparison. */
+        return cmperror((PyObject *)self, other);
+    }
 
-	if (classify_two_utcoffsets((PyObject *)self, &offset1, &n1,
-				    (PyObject *)self,
-				     other, &offset2, &n2,
-				     other) < 0)
-		return NULL;
-	assert(n1 != OFFSET_UNKNOWN && n2 != OFFSET_UNKNOWN);
- 	/* If they're both naive, or both aware and have the same offsets,
-	 * we get off cheap.  Note that if they're both naive, offset1 ==
-	 * offset2 == 0 at this point.
-	 */
-	if (n1 == n2 && offset1 == offset2) {
-		diff = memcmp(self->data, ((PyDateTime_DateTime *)other)->data,
-			      _PyDateTime_DATETIME_DATASIZE);
-		return diff_to_bool(diff, op);
-	}
+    if (classify_two_utcoffsets((PyObject *)self, &offset1, &n1,
+                                (PyObject *)self,
+                                 other, &offset2, &n2,
+                                 other) < 0)
+        return NULL;
+    assert(n1 != OFFSET_UNKNOWN && n2 != OFFSET_UNKNOWN);
+    /* If they're both naive, or both aware and have the same offsets,
+     * we get off cheap.  Note that if they're both naive, offset1 ==
+     * offset2 == 0 at this point.
+     */
+    if (n1 == n2 && offset1 == offset2) {
+        diff = memcmp(self->data, ((PyDateTime_DateTime *)other)->data,
+                      _PyDateTime_DATETIME_DATASIZE);
+        return diff_to_bool(diff, op);
+    }
 
-	if (n1 == OFFSET_AWARE && n2 == OFFSET_AWARE) {
-		PyDateTime_Delta *delta;
+    if (n1 == OFFSET_AWARE && n2 == OFFSET_AWARE) {
+        PyDateTime_Delta *delta;
 
-		assert(offset1 != offset2);	/* else last "if" handled it */
-		delta = (PyDateTime_Delta *)datetime_subtract((PyObject *)self,
-							       other);
-		if (delta == NULL)
-			return NULL;
-		diff = GET_TD_DAYS(delta);
-		if (diff == 0)
-			diff = GET_TD_SECONDS(delta) |
-			       GET_TD_MICROSECONDS(delta);
-		Py_DECREF(delta);
-		return diff_to_bool(diff, op);
-	}
+        assert(offset1 != offset2);             /* else last "if" handled it */
+        delta = (PyDateTime_Delta *)datetime_subtract((PyObject *)self,
+                                                       other);
+        if (delta == NULL)
+            return NULL;
+        diff = GET_TD_DAYS(delta);
+        if (diff == 0)
+            diff = GET_TD_SECONDS(delta) |
+                   GET_TD_MICROSECONDS(delta);
+        Py_DECREF(delta);
+        return diff_to_bool(diff, op);
+    }
 
-	assert(n1 != n2);
-	PyErr_SetString(PyExc_TypeError,
-			"can't compare offset-naive and "
-			"offset-aware datetimes");
-	return NULL;
+    assert(n1 != n2);
+    PyErr_SetString(PyExc_TypeError,
+                    "can't compare offset-naive and "
+                    "offset-aware datetimes");
+    return NULL;
 }
 
 static long
 datetime_hash(PyDateTime_DateTime *self)
 {
-	if (self->hashcode == -1) {
-		naivety n;
-		int offset;
-		PyObject *temp;
+    if (self->hashcode == -1) {
+        naivety n;
+        int offset;
+        PyObject *temp;
 
-		n = classify_utcoffset((PyObject *)self, (PyObject *)self,
-				       &offset);
-		assert(n != OFFSET_UNKNOWN);
-		if (n == OFFSET_ERROR)
-			return -1;
+        n = classify_utcoffset((PyObject *)self, (PyObject *)self,
+                               &offset);
+        assert(n != OFFSET_UNKNOWN);
+        if (n == OFFSET_ERROR)
+            return -1;
 
-		/* Reduce this to a hash of another object. */
-		if (n == OFFSET_NAIVE)
-			temp = PyString_FromStringAndSize(
-					(char *)self->data,
-					_PyDateTime_DATETIME_DATASIZE);
-		else {
-			int days;
-			int seconds;
+        /* Reduce this to a hash of another object. */
+        if (n == OFFSET_NAIVE)
+            temp = PyString_FromStringAndSize(
+                            (char *)self->data,
+                            _PyDateTime_DATETIME_DATASIZE);
+        else {
+            int days;
+            int seconds;
 
-			assert(n == OFFSET_AWARE);
-			assert(HASTZINFO(self));
-			days = ymd_to_ord(GET_YEAR(self),
-					  GET_MONTH(self),
-					  GET_DAY(self));
-			seconds = DATE_GET_HOUR(self) * 3600 +
-				  (DATE_GET_MINUTE(self) - offset) * 60 +
-				  DATE_GET_SECOND(self);
-			temp = new_delta(days,
-					 seconds,
-					 DATE_GET_MICROSECOND(self),
-					 1);
-		}
-		if (temp != NULL) {
-			self->hashcode = PyObject_Hash(temp);
-			Py_DECREF(temp);
-		}
-	}
-	return self->hashcode;
+            assert(n == OFFSET_AWARE);
+            assert(HASTZINFO(self));
+            days = ymd_to_ord(GET_YEAR(self),
+                              GET_MONTH(self),
+                              GET_DAY(self));
+            seconds = DATE_GET_HOUR(self) * 3600 +
+                      (DATE_GET_MINUTE(self) - offset) * 60 +
+                      DATE_GET_SECOND(self);
+            temp = new_delta(days,
+                             seconds,
+                             DATE_GET_MICROSECOND(self),
+                             1);
+        }
+        if (temp != NULL) {
+            self->hashcode = PyObject_Hash(temp);
+            Py_DECREF(temp);
+        }
+    }
+    return self->hashcode;
 }
 
 static PyObject *
 datetime_replace(PyDateTime_DateTime *self, PyObject *args, PyObject *kw)
 {
-	PyObject *clone;
-	PyObject *tuple;
-	int y = GET_YEAR(self);
-	int m = GET_MONTH(self);
-	int d = GET_DAY(self);
-	int hh = DATE_GET_HOUR(self);
-	int mm = DATE_GET_MINUTE(self);
-	int ss = DATE_GET_SECOND(self);
-	int us = DATE_GET_MICROSECOND(self);
-	PyObject *tzinfo = HASTZINFO(self) ? self->tzinfo : Py_None;
+    PyObject *clone;
+    PyObject *tuple;
+    int y = GET_YEAR(self);
+    int m = GET_MONTH(self);
+    int d = GET_DAY(self);
+    int hh = DATE_GET_HOUR(self);
+    int mm = DATE_GET_MINUTE(self);
+    int ss = DATE_GET_SECOND(self);
+    int us = DATE_GET_MICROSECOND(self);
+    PyObject *tzinfo = HASTZINFO(self) ? self->tzinfo : Py_None;
 
-	if (! PyArg_ParseTupleAndKeywords(args, kw, "|iiiiiiiO:replace",
-					  datetime_kws,
-					  &y, &m, &d, &hh, &mm, &ss, &us,
-					  &tzinfo))
-		return NULL;
-	tuple = Py_BuildValue("iiiiiiiO", y, m, d, hh, mm, ss, us, tzinfo);
-	if (tuple == NULL)
-		return NULL;
-	clone = datetime_new(Py_TYPE(self), tuple, NULL);
-	Py_DECREF(tuple);
-	return clone;
+    if (! PyArg_ParseTupleAndKeywords(args, kw, "|iiiiiiiO:replace",
+                                      datetime_kws,
+                                      &y, &m, &d, &hh, &mm, &ss, &us,
+                                      &tzinfo))
+        return NULL;
+    tuple = Py_BuildValue("iiiiiiiO", y, m, d, hh, mm, ss, us, tzinfo);
+    if (tuple == NULL)
+        return NULL;
+    clone = datetime_new(Py_TYPE(self), tuple, NULL);
+    Py_DECREF(tuple);
+    return clone;
 }
 
 static PyObject *
 datetime_astimezone(PyDateTime_DateTime *self, PyObject *args, PyObject *kw)
 {
-	int y, m, d, hh, mm, ss, us;
-	PyObject *result;
-	int offset, none;
+    int y, m, d, hh, mm, ss, us;
+    PyObject *result;
+    int offset, none;
 
-	PyObject *tzinfo;
-	static char *keywords[] = {"tz", NULL};
+    PyObject *tzinfo;
+    static char *keywords[] = {"tz", NULL};
 
-	if (! PyArg_ParseTupleAndKeywords(args, kw, "O!:astimezone", keywords,
-					  &PyDateTime_TZInfoType, &tzinfo))
-		return NULL;
+    if (! PyArg_ParseTupleAndKeywords(args, kw, "O!:astimezone", keywords,
+                                      &PyDateTime_TZInfoType, &tzinfo))
+        return NULL;
 
-        if (!HASTZINFO(self) || self->tzinfo == Py_None)
-        	goto NeedAware;
+    if (!HASTZINFO(self) || self->tzinfo == Py_None)
+        goto NeedAware;
 
-        /* Conversion to self's own time zone is a NOP. */
-	if (self->tzinfo == tzinfo) {
-		Py_INCREF(self);
-		return (PyObject *)self;
-	}
+    /* Conversion to self's own time zone is a NOP. */
+    if (self->tzinfo == tzinfo) {
+        Py_INCREF(self);
+        return (PyObject *)self;
+    }
 
-        /* Convert self to UTC. */
-        offset = call_utcoffset(self->tzinfo, (PyObject *)self, &none);
-        if (offset == -1 && PyErr_Occurred())
-        	return NULL;
-        if (none)
-        	goto NeedAware;
+    /* Convert self to UTC. */
+    offset = call_utcoffset(self->tzinfo, (PyObject *)self, &none);
+    if (offset == -1 && PyErr_Occurred())
+        return NULL;
+    if (none)
+        goto NeedAware;
 
-	y = GET_YEAR(self);
-	m = GET_MONTH(self);
-	d = GET_DAY(self);
-	hh = DATE_GET_HOUR(self);
-	mm = DATE_GET_MINUTE(self);
-	ss = DATE_GET_SECOND(self);
-	us = DATE_GET_MICROSECOND(self);
+    y = GET_YEAR(self);
+    m = GET_MONTH(self);
+    d = GET_DAY(self);
+    hh = DATE_GET_HOUR(self);
+    mm = DATE_GET_MINUTE(self);
+    ss = DATE_GET_SECOND(self);
+    us = DATE_GET_MICROSECOND(self);
 
-	mm -= offset;
-	if ((mm < 0 || mm >= 60) &&
-	    normalize_datetime(&y, &m, &d, &hh, &mm, &ss, &us) < 0)
-		return NULL;
+    mm -= offset;
+    if ((mm < 0 || mm >= 60) &&
+        normalize_datetime(&y, &m, &d, &hh, &mm, &ss, &us) < 0)
+        return NULL;
 
-	/* Attach new tzinfo and let fromutc() do the rest. */
-	result = new_datetime(y, m, d, hh, mm, ss, us, tzinfo);
-	if (result != NULL) {
-		PyObject *temp = result;
+    /* Attach new tzinfo and let fromutc() do the rest. */
+    result = new_datetime(y, m, d, hh, mm, ss, us, tzinfo);
+    if (result != NULL) {
+        PyObject *temp = result;
 
-		result = PyObject_CallMethod(tzinfo, "fromutc", "O", temp);
-		Py_DECREF(temp);
-	}
-	return result;
+        result = PyObject_CallMethod(tzinfo, "fromutc", "O", temp);
+        Py_DECREF(temp);
+    }
+    return result;
 
 NeedAware:
-	PyErr_SetString(PyExc_ValueError, "astimezone() cannot be applied to "
-					  "a naive datetime");
-	return NULL;
+    PyErr_SetString(PyExc_ValueError, "astimezone() cannot be applied to "
+                                      "a naive datetime");
+    return NULL;
 }
 
 static PyObject *
 datetime_timetuple(PyDateTime_DateTime *self)
 {
-	int dstflag = -1;
+    int dstflag = -1;
 
-	if (HASTZINFO(self) && self->tzinfo != Py_None) {
-		int none;
+    if (HASTZINFO(self) && self->tzinfo != Py_None) {
+        int none;
 
-		dstflag = call_dst(self->tzinfo, (PyObject *)self, &none);
-		if (dstflag == -1 && PyErr_Occurred())
-			return NULL;
+        dstflag = call_dst(self->tzinfo, (PyObject *)self, &none);
+        if (dstflag == -1 && PyErr_Occurred())
+            return NULL;
 
-		if (none)
-			dstflag = -1;
-		else if (dstflag != 0)
-			dstflag = 1;
+        if (none)
+            dstflag = -1;
+        else if (dstflag != 0)
+            dstflag = 1;
 
-	}
-	return build_struct_time(GET_YEAR(self),
-				 GET_MONTH(self),
-				 GET_DAY(self),
-				 DATE_GET_HOUR(self),
-				 DATE_GET_MINUTE(self),
-				 DATE_GET_SECOND(self),
-				 dstflag);
+    }
+    return build_struct_time(GET_YEAR(self),
+                             GET_MONTH(self),
+                             GET_DAY(self),
+                             DATE_GET_HOUR(self),
+                             DATE_GET_MINUTE(self),
+                             DATE_GET_SECOND(self),
+                             dstflag);
 }
 
 static PyObject *
 datetime_getdate(PyDateTime_DateTime *self)
 {
-	return new_date(GET_YEAR(self),
-			GET_MONTH(self),
-			GET_DAY(self));
+    return new_date(GET_YEAR(self),
+                    GET_MONTH(self),
+                    GET_DAY(self));
 }
 
 static PyObject *
 datetime_gettime(PyDateTime_DateTime *self)
 {
-	return new_time(DATE_GET_HOUR(self),
-			DATE_GET_MINUTE(self),
-			DATE_GET_SECOND(self),
-			DATE_GET_MICROSECOND(self),
-			Py_None);
+    return new_time(DATE_GET_HOUR(self),
+                    DATE_GET_MINUTE(self),
+                    DATE_GET_SECOND(self),
+                    DATE_GET_MICROSECOND(self),
+                    Py_None);
 }
 
 static PyObject *
 datetime_gettimetz(PyDateTime_DateTime *self)
 {
-	return new_time(DATE_GET_HOUR(self),
-			DATE_GET_MINUTE(self),
-			DATE_GET_SECOND(self),
-			DATE_GET_MICROSECOND(self),
-			HASTZINFO(self) ? self->tzinfo : Py_None);
+    return new_time(DATE_GET_HOUR(self),
+                    DATE_GET_MINUTE(self),
+                    DATE_GET_SECOND(self),
+                    DATE_GET_MICROSECOND(self),
+                    HASTZINFO(self) ? self->tzinfo : Py_None);
 }
 
 static PyObject *
 datetime_utctimetuple(PyDateTime_DateTime *self)
 {
-	int y = GET_YEAR(self);
-	int m = GET_MONTH(self);
-	int d = GET_DAY(self);
-	int hh = DATE_GET_HOUR(self);
-	int mm = DATE_GET_MINUTE(self);
-	int ss = DATE_GET_SECOND(self);
-	int us = 0;	/* microseconds are ignored in a timetuple */
-	int offset = 0;
+    int y = GET_YEAR(self);
+    int m = GET_MONTH(self);
+    int d = GET_DAY(self);
+    int hh = DATE_GET_HOUR(self);
+    int mm = DATE_GET_MINUTE(self);
+    int ss = DATE_GET_SECOND(self);
+    int us = 0;         /* microseconds are ignored in a timetuple */
+    int offset = 0;
 
-	if (HASTZINFO(self) && self->tzinfo != Py_None) {
-		int none;
+    if (HASTZINFO(self) && self->tzinfo != Py_None) {
+        int none;
 
-		offset = call_utcoffset(self->tzinfo, (PyObject *)self, &none);
-		if (offset == -1 && PyErr_Occurred())
-			return NULL;
-	}
-	/* Even if offset is 0, don't call timetuple() -- tm_isdst should be
-	 * 0 in a UTC timetuple regardless of what dst() says.
-	 */
-	if (offset) {
-		/* Subtract offset minutes & normalize. */
-		int stat;
+        offset = call_utcoffset(self->tzinfo, (PyObject *)self, &none);
+        if (offset == -1 && PyErr_Occurred())
+            return NULL;
+    }
+    /* Even if offset is 0, don't call timetuple() -- tm_isdst should be
+     * 0 in a UTC timetuple regardless of what dst() says.
+     */
+    if (offset) {
+        /* Subtract offset minutes & normalize. */
+        int stat;
 
-		mm -= offset;
-		stat = normalize_datetime(&y, &m, &d, &hh, &mm, &ss, &us);
-		if (stat < 0) {
-			/* At the edges, it's possible we overflowed
-			 * beyond MINYEAR or MAXYEAR.
-			 */
-			if (PyErr_ExceptionMatches(PyExc_OverflowError))
-				PyErr_Clear();
-			else
-				return NULL;
-		}
-	}
-	return build_struct_time(y, m, d, hh, mm, ss, 0);
+        mm -= offset;
+        stat = normalize_datetime(&y, &m, &d, &hh, &mm, &ss, &us);
+        if (stat < 0) {
+            /* At the edges, it's possible we overflowed
+             * beyond MINYEAR or MAXYEAR.
+             */
+            if (PyErr_ExceptionMatches(PyExc_OverflowError))
+                PyErr_Clear();
+            else
+                return NULL;
+        }
+    }
+    return build_struct_time(y, m, d, hh, mm, ss, 0);
 }
 
 /* Pickle support, a simple use of __reduce__. */
@@ -4569,102 +4569,102 @@
 static PyObject *
 datetime_getstate(PyDateTime_DateTime *self)
 {
-	PyObject *basestate;
-	PyObject *result = NULL;
+    PyObject *basestate;
+    PyObject *result = NULL;
 
-	basestate = PyString_FromStringAndSize((char *)self->data,
-					  _PyDateTime_DATETIME_DATASIZE);
-	if (basestate != NULL) {
-		if (! HASTZINFO(self) || self->tzinfo == Py_None)
-			result = PyTuple_Pack(1, basestate);
-		else
-			result = PyTuple_Pack(2, basestate, self->tzinfo);
-		Py_DECREF(basestate);
-	}
-	return result;
+    basestate = PyString_FromStringAndSize((char *)self->data,
+                                      _PyDateTime_DATETIME_DATASIZE);
+    if (basestate != NULL) {
+        if (! HASTZINFO(self) || self->tzinfo == Py_None)
+            result = PyTuple_Pack(1, basestate);
+        else
+            result = PyTuple_Pack(2, basestate, self->tzinfo);
+        Py_DECREF(basestate);
+    }
+    return result;
 }
 
 static PyObject *
 datetime_reduce(PyDateTime_DateTime *self, PyObject *arg)
 {
-	return Py_BuildValue("(ON)", Py_TYPE(self), datetime_getstate(self));
+    return Py_BuildValue("(ON)", Py_TYPE(self), datetime_getstate(self));
 }
 
 static PyMethodDef datetime_methods[] = {
 
-	/* Class methods: */
+    /* Class methods: */
 
-	{"now",         (PyCFunction)datetime_now,
-	 METH_VARARGS | METH_KEYWORDS | METH_CLASS,
-	 PyDoc_STR("[tz] -> new datetime with tz's local day and time.")},
+    {"now",         (PyCFunction)datetime_now,
+     METH_VARARGS | METH_KEYWORDS | METH_CLASS,
+     PyDoc_STR("[tz] -> new datetime with tz's local day and time.")},
 
-	{"utcnow",         (PyCFunction)datetime_utcnow,
-	 METH_NOARGS | METH_CLASS,
-	 PyDoc_STR("Return a new datetime representing UTC day and time.")},
+    {"utcnow",         (PyCFunction)datetime_utcnow,
+     METH_NOARGS | METH_CLASS,
+     PyDoc_STR("Return a new datetime representing UTC day and time.")},
 
-	{"fromtimestamp", (PyCFunction)datetime_fromtimestamp,
-	 METH_VARARGS | METH_KEYWORDS | METH_CLASS,
-	 PyDoc_STR("timestamp[, tz] -> tz's local time from POSIX timestamp.")},
+    {"fromtimestamp", (PyCFunction)datetime_fromtimestamp,
+     METH_VARARGS | METH_KEYWORDS | METH_CLASS,
+     PyDoc_STR("timestamp[, tz] -> tz's local time from POSIX timestamp.")},
 
-	{"utcfromtimestamp", (PyCFunction)datetime_utcfromtimestamp,
-	 METH_VARARGS | METH_CLASS,
-	 PyDoc_STR("timestamp -> UTC datetime from a POSIX timestamp "
-	 	   "(like time.time()).")},
+    {"utcfromtimestamp", (PyCFunction)datetime_utcfromtimestamp,
+     METH_VARARGS | METH_CLASS,
+     PyDoc_STR("timestamp -> UTC datetime from a POSIX timestamp "
+               "(like time.time()).")},
 
-	{"strptime", (PyCFunction)datetime_strptime,
-	 METH_VARARGS | METH_CLASS,
-	 PyDoc_STR("string, format -> new datetime parsed from a string "
-	 	   "(like time.strptime()).")},
+    {"strptime", (PyCFunction)datetime_strptime,
+     METH_VARARGS | METH_CLASS,
+     PyDoc_STR("string, format -> new datetime parsed from a string "
+               "(like time.strptime()).")},
 
-	{"combine", (PyCFunction)datetime_combine,
-	 METH_VARARGS | METH_KEYWORDS | METH_CLASS,
-	 PyDoc_STR("date, time -> datetime with same date and time fields")},
+    {"combine", (PyCFunction)datetime_combine,
+     METH_VARARGS | METH_KEYWORDS | METH_CLASS,
+     PyDoc_STR("date, time -> datetime with same date and time fields")},
 
-	/* Instance methods: */
+    /* Instance methods: */
 
-	{"date",   (PyCFunction)datetime_getdate, METH_NOARGS,
-         PyDoc_STR("Return date object with same year, month and day.")},
+    {"date",   (PyCFunction)datetime_getdate, METH_NOARGS,
+     PyDoc_STR("Return date object with same year, month and day.")},
 
-	{"time",   (PyCFunction)datetime_gettime, METH_NOARGS,
-         PyDoc_STR("Return time object with same time but with tzinfo=None.")},
+    {"time",   (PyCFunction)datetime_gettime, METH_NOARGS,
+     PyDoc_STR("Return time object with same time but with tzinfo=None.")},
 
-	{"timetz",   (PyCFunction)datetime_gettimetz, METH_NOARGS,
-         PyDoc_STR("Return time object with same time and tzinfo.")},
+    {"timetz",   (PyCFunction)datetime_gettimetz, METH_NOARGS,
+     PyDoc_STR("Return time object with same time and tzinfo.")},
 
-	{"ctime",       (PyCFunction)datetime_ctime,	METH_NOARGS,
-	 PyDoc_STR("Return ctime() style string.")},
+    {"ctime",       (PyCFunction)datetime_ctime,        METH_NOARGS,
+     PyDoc_STR("Return ctime() style string.")},
 
-	{"timetuple",   (PyCFunction)datetime_timetuple, METH_NOARGS,
-         PyDoc_STR("Return time tuple, compatible with time.localtime().")},
+    {"timetuple",   (PyCFunction)datetime_timetuple, METH_NOARGS,
+     PyDoc_STR("Return time tuple, compatible with time.localtime().")},
 
-	{"utctimetuple",   (PyCFunction)datetime_utctimetuple, METH_NOARGS,
-         PyDoc_STR("Return UTC time tuple, compatible with time.localtime().")},
+    {"utctimetuple",   (PyCFunction)datetime_utctimetuple, METH_NOARGS,
+     PyDoc_STR("Return UTC time tuple, compatible with time.localtime().")},
 
-	{"isoformat",   (PyCFunction)datetime_isoformat, METH_VARARGS | METH_KEYWORDS,
-	 PyDoc_STR("[sep] -> string in ISO 8601 format, "
-	 	   "YYYY-MM-DDTHH:MM:SS[.mmmmmm][+HH:MM].\n\n"
-	 	   "sep is used to separate the year from the time, and "
-	 	   "defaults to 'T'.")},
+    {"isoformat",   (PyCFunction)datetime_isoformat, METH_VARARGS | METH_KEYWORDS,
+     PyDoc_STR("[sep] -> string in ISO 8601 format, "
+               "YYYY-MM-DDTHH:MM:SS[.mmmmmm][+HH:MM].\n\n"
+               "sep is used to separate the year from the time, and "
+               "defaults to 'T'.")},
 
-	{"utcoffset",	(PyCFunction)datetime_utcoffset, METH_NOARGS,
-	 PyDoc_STR("Return self.tzinfo.utcoffset(self).")},
+    {"utcoffset",       (PyCFunction)datetime_utcoffset, METH_NOARGS,
+     PyDoc_STR("Return self.tzinfo.utcoffset(self).")},
 
-	{"tzname",	(PyCFunction)datetime_tzname,	METH_NOARGS,
-	 PyDoc_STR("Return self.tzinfo.tzname(self).")},
+    {"tzname",          (PyCFunction)datetime_tzname,   METH_NOARGS,
+     PyDoc_STR("Return self.tzinfo.tzname(self).")},
 
-	{"dst",		(PyCFunction)datetime_dst, METH_NOARGS,
-	 PyDoc_STR("Return self.tzinfo.dst(self).")},
+    {"dst",             (PyCFunction)datetime_dst, METH_NOARGS,
+     PyDoc_STR("Return self.tzinfo.dst(self).")},
 
-	{"replace",     (PyCFunction)datetime_replace,	METH_VARARGS | METH_KEYWORDS,
-	 PyDoc_STR("Return datetime with new specified fields.")},
+    {"replace",     (PyCFunction)datetime_replace,      METH_VARARGS | METH_KEYWORDS,
+     PyDoc_STR("Return datetime with new specified fields.")},
 
-	{"astimezone",  (PyCFunction)datetime_astimezone, METH_VARARGS | METH_KEYWORDS,
-	 PyDoc_STR("tz -> convert to local time in new timezone tz\n")},
+    {"astimezone",  (PyCFunction)datetime_astimezone, METH_VARARGS | METH_KEYWORDS,
+     PyDoc_STR("tz -> convert to local time in new timezone tz\n")},
 
-	{"__reduce__", (PyCFunction)datetime_reduce,     METH_NOARGS,
-	 PyDoc_STR("__reduce__() -> (cls, state)")},
+    {"__reduce__", (PyCFunction)datetime_reduce,     METH_NOARGS,
+     PyDoc_STR("__reduce__() -> (cls, state)")},
 
-	{NULL,	NULL}
+    {NULL,      NULL}
 };
 
 static char datetime_doc[] =
@@ -4674,61 +4674,61 @@
 instance of a tzinfo subclass. The remaining arguments may be ints or longs.\n");
 
 static PyNumberMethods datetime_as_number = {
-	datetime_add,				/* nb_add */
-	datetime_subtract,			/* nb_subtract */
-	0,					/* nb_multiply */
-	0,					/* nb_divide */
-	0,					/* nb_remainder */
-	0,					/* nb_divmod */
-	0,					/* nb_power */
-	0,					/* nb_negative */
-	0,					/* nb_positive */
-	0,					/* nb_absolute */
-	0,					/* nb_nonzero */
+    datetime_add,                               /* nb_add */
+    datetime_subtract,                          /* nb_subtract */
+    0,                                          /* nb_multiply */
+    0,                                          /* nb_divide */
+    0,                                          /* nb_remainder */
+    0,                                          /* nb_divmod */
+    0,                                          /* nb_power */
+    0,                                          /* nb_negative */
+    0,                                          /* nb_positive */
+    0,                                          /* nb_absolute */
+    0,                                          /* nb_nonzero */
 };
 
 statichere PyTypeObject PyDateTime_DateTimeType = {
-	PyObject_HEAD_INIT(NULL)
-	0,					/* ob_size */
-	"datetime.datetime",			/* tp_name */
-	sizeof(PyDateTime_DateTime),		/* tp_basicsize */
-	0,					/* tp_itemsize */
-	(destructor)datetime_dealloc,		/* tp_dealloc */
-	0,					/* tp_print */
-	0,					/* tp_getattr */
-	0,					/* tp_setattr */
-	0,					/* tp_compare */
-	(reprfunc)datetime_repr,		/* tp_repr */
-	&datetime_as_number,			/* tp_as_number */
-	0,					/* tp_as_sequence */
-	0,					/* tp_as_mapping */
-	(hashfunc)datetime_hash,		/* tp_hash */
-	0,              			/* tp_call */
-	(reprfunc)datetime_str,			/* tp_str */
-	PyObject_GenericGetAttr,		/* tp_getattro */
-	0,					/* tp_setattro */
-	0,					/* tp_as_buffer */
-	Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
-        Py_TPFLAGS_BASETYPE,			/* tp_flags */
-	datetime_doc,				/* tp_doc */
-	0,					/* tp_traverse */
-	0,					/* tp_clear */
-	(richcmpfunc)datetime_richcompare,	/* tp_richcompare */
-	0,					/* tp_weaklistoffset */
-	0,					/* tp_iter */
-	0,					/* tp_iternext */
-	datetime_methods,			/* tp_methods */
-	0,					/* tp_members */
-	datetime_getset,			/* tp_getset */
-	&PyDateTime_DateType,			/* tp_base */
-	0,					/* tp_dict */
-	0,					/* tp_descr_get */
-	0,					/* tp_descr_set */
-	0,					/* tp_dictoffset */
-	0,					/* tp_init */
-	datetime_alloc,				/* tp_alloc */
-	datetime_new,				/* tp_new */
-	0,					/* tp_free */
+    PyObject_HEAD_INIT(NULL)
+    0,                                          /* ob_size */
+    "datetime.datetime",                        /* tp_name */
+    sizeof(PyDateTime_DateTime),                /* tp_basicsize */
+    0,                                          /* tp_itemsize */
+    (destructor)datetime_dealloc,               /* tp_dealloc */
+    0,                                          /* tp_print */
+    0,                                          /* tp_getattr */
+    0,                                          /* tp_setattr */
+    0,                                          /* tp_compare */
+    (reprfunc)datetime_repr,                    /* tp_repr */
+    &datetime_as_number,                        /* tp_as_number */
+    0,                                          /* tp_as_sequence */
+    0,                                          /* tp_as_mapping */
+    (hashfunc)datetime_hash,                    /* tp_hash */
+    0,                                          /* tp_call */
+    (reprfunc)datetime_str,                     /* tp_str */
+    PyObject_GenericGetAttr,                    /* tp_getattro */
+    0,                                          /* tp_setattro */
+    0,                                          /* tp_as_buffer */
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
+    Py_TPFLAGS_BASETYPE,                        /* tp_flags */
+    datetime_doc,                               /* tp_doc */
+    0,                                          /* tp_traverse */
+    0,                                          /* tp_clear */
+    (richcmpfunc)datetime_richcompare,          /* tp_richcompare */
+    0,                                          /* tp_weaklistoffset */
+    0,                                          /* tp_iter */
+    0,                                          /* tp_iternext */
+    datetime_methods,                           /* tp_methods */
+    0,                                          /* tp_members */
+    datetime_getset,                            /* tp_getset */
+    &PyDateTime_DateType,                       /* tp_base */
+    0,                                          /* tp_dict */
+    0,                                          /* tp_descr_get */
+    0,                                          /* tp_descr_set */
+    0,                                          /* tp_dictoffset */
+    0,                                          /* tp_init */
+    datetime_alloc,                             /* tp_alloc */
+    datetime_new,                               /* tp_new */
+    0,                                          /* tp_free */
 };
 
 /* ---------------------------------------------------------------------------
@@ -4736,191 +4736,191 @@
  */
 
 static PyMethodDef module_methods[] = {
-	{NULL, NULL}
+    {NULL, NULL}
 };
 
 /* C API.  Clients get at this via PyDateTime_IMPORT, defined in
  * datetime.h.
  */
 static PyDateTime_CAPI CAPI = {
-        &PyDateTime_DateType,
-        &PyDateTime_DateTimeType,
-        &PyDateTime_TimeType,
-        &PyDateTime_DeltaType,
-        &PyDateTime_TZInfoType,
-        new_date_ex,
-        new_datetime_ex,
-        new_time_ex,
-        new_delta_ex,
-        datetime_fromtimestamp,
-        date_fromtimestamp
+    &PyDateTime_DateType,
+    &PyDateTime_DateTimeType,
+    &PyDateTime_TimeType,
+    &PyDateTime_DeltaType,
+    &PyDateTime_TZInfoType,
+    new_date_ex,
+    new_datetime_ex,
+    new_time_ex,
+    new_delta_ex,
+    datetime_fromtimestamp,
+    date_fromtimestamp
 };
 
 
 PyMODINIT_FUNC
 initdatetime(void)
 {
-	PyObject *m;	/* a module object */
-	PyObject *d;	/* its dict */
-	PyObject *x;
+    PyObject *m;        /* a module object */
+    PyObject *d;        /* its dict */
+    PyObject *x;
 
-	m = Py_InitModule3("datetime", module_methods,
-			   "Fast implementation of the datetime type.");
-	if (m == NULL)
-		return;
+    m = Py_InitModule3("datetime", module_methods,
+                       "Fast implementation of the datetime type.");
+    if (m == NULL)
+        return;
 
-	if (PyType_Ready(&PyDateTime_DateType) < 0)
-		return;
-	if (PyType_Ready(&PyDateTime_DateTimeType) < 0)
-		return;
-	if (PyType_Ready(&PyDateTime_DeltaType) < 0)
-		return;
-	if (PyType_Ready(&PyDateTime_TimeType) < 0)
-		return;
-	if (PyType_Ready(&PyDateTime_TZInfoType) < 0)
-		return;
+    if (PyType_Ready(&PyDateTime_DateType) < 0)
+        return;
+    if (PyType_Ready(&PyDateTime_DateTimeType) < 0)
+        return;
+    if (PyType_Ready(&PyDateTime_DeltaType) < 0)
+        return;
+    if (PyType_Ready(&PyDateTime_TimeType) < 0)
+        return;
+    if (PyType_Ready(&PyDateTime_TZInfoType) < 0)
+        return;
 
-	/* timedelta values */
-	d = PyDateTime_DeltaType.tp_dict;
+    /* timedelta values */
+    d = PyDateTime_DeltaType.tp_dict;
 
-	x = new_delta(0, 0, 1, 0);
-	if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
-		return;
-	Py_DECREF(x);
+    x = new_delta(0, 0, 1, 0);
+    if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
+        return;
+    Py_DECREF(x);
 
-	x = new_delta(-MAX_DELTA_DAYS, 0, 0, 0);
-	if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
-		return;
-	Py_DECREF(x);
+    x = new_delta(-MAX_DELTA_DAYS, 0, 0, 0);
+    if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
+        return;
+    Py_DECREF(x);
 
-	x = new_delta(MAX_DELTA_DAYS, 24*3600-1, 1000000-1, 0);
-	if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
-		return;
-	Py_DECREF(x);
+    x = new_delta(MAX_DELTA_DAYS, 24*3600-1, 1000000-1, 0);
+    if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
+        return;
+    Py_DECREF(x);
 
-	/* date values */
-	d = PyDateTime_DateType.tp_dict;
+    /* date values */
+    d = PyDateTime_DateType.tp_dict;
 
-	x = new_date(1, 1, 1);
-	if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
-		return;
-	Py_DECREF(x);
+    x = new_date(1, 1, 1);
+    if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
+        return;
+    Py_DECREF(x);
 
-	x = new_date(MAXYEAR, 12, 31);
-	if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
-		return;
-	Py_DECREF(x);
+    x = new_date(MAXYEAR, 12, 31);
+    if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
+        return;
+    Py_DECREF(x);
 
-	x = new_delta(1, 0, 0, 0);
-	if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
-		return;
-	Py_DECREF(x);
+    x = new_delta(1, 0, 0, 0);
+    if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
+        return;
+    Py_DECREF(x);
 
-	/* time values */
-	d = PyDateTime_TimeType.tp_dict;
+    /* time values */
+    d = PyDateTime_TimeType.tp_dict;
 
-	x = new_time(0, 0, 0, 0, Py_None);
-	if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
-		return;
-	Py_DECREF(x);
+    x = new_time(0, 0, 0, 0, Py_None);
+    if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
+        return;
+    Py_DECREF(x);
 
-	x = new_time(23, 59, 59, 999999, Py_None);
-	if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
-		return;
-	Py_DECREF(x);
+    x = new_time(23, 59, 59, 999999, Py_None);
+    if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
+        return;
+    Py_DECREF(x);
 
-	x = new_delta(0, 0, 1, 0);
-	if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
-		return;
-	Py_DECREF(x);
+    x = new_delta(0, 0, 1, 0);
+    if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
+        return;
+    Py_DECREF(x);
 
-	/* datetime values */
-	d = PyDateTime_DateTimeType.tp_dict;
+    /* datetime values */
+    d = PyDateTime_DateTimeType.tp_dict;
 
-	x = new_datetime(1, 1, 1, 0, 0, 0, 0, Py_None);
-	if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
-		return;
-	Py_DECREF(x);
+    x = new_datetime(1, 1, 1, 0, 0, 0, 0, Py_None);
+    if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
+        return;
+    Py_DECREF(x);
 
-	x = new_datetime(MAXYEAR, 12, 31, 23, 59, 59, 999999, Py_None);
-	if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
-		return;
-	Py_DECREF(x);
+    x = new_datetime(MAXYEAR, 12, 31, 23, 59, 59, 999999, Py_None);
+    if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
+        return;
+    Py_DECREF(x);
 
-	x = new_delta(0, 0, 1, 0);
-	if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
-		return;
-	Py_DECREF(x);
+    x = new_delta(0, 0, 1, 0);
+    if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
+        return;
+    Py_DECREF(x);
 
-	/* module initialization */
-	PyModule_AddIntConstant(m, "MINYEAR", MINYEAR);
-	PyModule_AddIntConstant(m, "MAXYEAR", MAXYEAR);
+    /* module initialization */
+    PyModule_AddIntConstant(m, "MINYEAR", MINYEAR);
+    PyModule_AddIntConstant(m, "MAXYEAR", MAXYEAR);
 
-	Py_INCREF(&PyDateTime_DateType);
-	PyModule_AddObject(m, "date", (PyObject *) &PyDateTime_DateType);
+    Py_INCREF(&PyDateTime_DateType);
+    PyModule_AddObject(m, "date", (PyObject *) &PyDateTime_DateType);
 
-	Py_INCREF(&PyDateTime_DateTimeType);
-	PyModule_AddObject(m, "datetime",
-			   (PyObject *)&PyDateTime_DateTimeType);
+    Py_INCREF(&PyDateTime_DateTimeType);
+    PyModule_AddObject(m, "datetime",
+                       (PyObject *)&PyDateTime_DateTimeType);
 
-	Py_INCREF(&PyDateTime_TimeType);
-	PyModule_AddObject(m, "time", (PyObject *) &PyDateTime_TimeType);
+    Py_INCREF(&PyDateTime_TimeType);
+    PyModule_AddObject(m, "time", (PyObject *) &PyDateTime_TimeType);
 
-	Py_INCREF(&PyDateTime_DeltaType);
-	PyModule_AddObject(m, "timedelta", (PyObject *) &PyDateTime_DeltaType);
+    Py_INCREF(&PyDateTime_DeltaType);
+    PyModule_AddObject(m, "timedelta", (PyObject *) &PyDateTime_DeltaType);
 
-	Py_INCREF(&PyDateTime_TZInfoType);
-	PyModule_AddObject(m, "tzinfo", (PyObject *) &PyDateTime_TZInfoType);
+    Py_INCREF(&PyDateTime_TZInfoType);
+    PyModule_AddObject(m, "tzinfo", (PyObject *) &PyDateTime_TZInfoType);
 
-	x = PyCapsule_New(&CAPI, PyDateTime_CAPSULE_NAME, NULL);
-	if (x == NULL)
-		return;
-	PyModule_AddObject(m, "datetime_CAPI", x);
+    x = PyCapsule_New(&CAPI, PyDateTime_CAPSULE_NAME, NULL);
+    if (x == NULL)
+        return;
+    PyModule_AddObject(m, "datetime_CAPI", x);
 
-	/* A 4-year cycle has an extra leap day over what we'd get from
-	 * pasting together 4 single years.
-	 */
-	assert(DI4Y == 4 * 365 + 1);
-	assert(DI4Y == days_before_year(4+1));
+    /* A 4-year cycle has an extra leap day over what we'd get from
+     * pasting together 4 single years.
+     */
+    assert(DI4Y == 4 * 365 + 1);
+    assert(DI4Y == days_before_year(4+1));
 
-	/* Similarly, a 400-year cycle has an extra leap day over what we'd
-	 * get from pasting together 4 100-year cycles.
-	 */
-	assert(DI400Y == 4 * DI100Y + 1);
-	assert(DI400Y == days_before_year(400+1));
+    /* Similarly, a 400-year cycle has an extra leap day over what we'd
+     * get from pasting together 4 100-year cycles.
+     */
+    assert(DI400Y == 4 * DI100Y + 1);
+    assert(DI400Y == days_before_year(400+1));
 
-	/* OTOH, a 100-year cycle has one fewer leap day than we'd get from
-	 * pasting together 25 4-year cycles.
-	 */
-	assert(DI100Y == 25 * DI4Y - 1);
-	assert(DI100Y == days_before_year(100+1));
+    /* OTOH, a 100-year cycle has one fewer leap day than we'd get from
+     * pasting together 25 4-year cycles.
+     */
+    assert(DI100Y == 25 * DI4Y - 1);
+    assert(DI100Y == days_before_year(100+1));
 
-	us_per_us = PyInt_FromLong(1);
-	us_per_ms = PyInt_FromLong(1000);
-	us_per_second = PyInt_FromLong(1000000);
-	us_per_minute = PyInt_FromLong(60000000);
-	seconds_per_day = PyInt_FromLong(24 * 3600);
-	if (us_per_us == NULL || us_per_ms == NULL || us_per_second == NULL ||
-	    us_per_minute == NULL || seconds_per_day == NULL)
-		return;
+    us_per_us = PyInt_FromLong(1);
+    us_per_ms = PyInt_FromLong(1000);
+    us_per_second = PyInt_FromLong(1000000);
+    us_per_minute = PyInt_FromLong(60000000);
+    seconds_per_day = PyInt_FromLong(24 * 3600);
+    if (us_per_us == NULL || us_per_ms == NULL || us_per_second == NULL ||
+        us_per_minute == NULL || seconds_per_day == NULL)
+        return;
 
-	/* The rest are too big for 32-bit ints, but even
-	 * us_per_week fits in 40 bits, so doubles should be exact.
-	 */
-	us_per_hour = PyLong_FromDouble(3600000000.0);
-	us_per_day = PyLong_FromDouble(86400000000.0);
-	us_per_week = PyLong_FromDouble(604800000000.0);
-	if (us_per_hour == NULL || us_per_day == NULL || us_per_week == NULL)
-		return;
+    /* The rest are too big for 32-bit ints, but even
+     * us_per_week fits in 40 bits, so doubles should be exact.
+     */
+    us_per_hour = PyLong_FromDouble(3600000000.0);
+    us_per_day = PyLong_FromDouble(86400000000.0);
+    us_per_week = PyLong_FromDouble(604800000000.0);
+    if (us_per_hour == NULL || us_per_day == NULL || us_per_week == NULL)
+        return;
 }
 
 /* ---------------------------------------------------------------------------
 Some time zone algebra.  For a datetime x, let
     x.n = x stripped of its timezone -- its naive time.
     x.o = x.utcoffset(), and assuming that doesn't raise an exception or
-          return None
+      return None
     x.d = x.dst(), and assuming that doesn't raise an exception or
-          return None
+      return None
     x.s = x's standard offset, x.o - x.d
 
 Now some derived rules, where k is a duration (timedelta).
@@ -5042,13 +5042,13 @@
 already):
 
     diff' = x.n - (z'.n - z'.o) =           replacing z'.n via [7]
-            x.n  - (z.n + diff - z'.o) =    replacing diff via [6]
-            x.n - (z.n + x.n - (z.n - z.o) - z'.o) =
-            x.n - z.n - x.n + z.n - z.o + z'.o =    cancel x.n
-            - z.n + z.n - z.o + z'.o =              cancel z.n
-            - z.o + z'.o =                      #1 twice
-            -z.s - z.d + z'.s + z'.d =          z and z' have same tzinfo
-            z'.d - z.d
+        x.n  - (z.n + diff - z'.o) =    replacing diff via [6]
+        x.n - (z.n + x.n - (z.n - z.o) - z'.o) =
+        x.n - z.n - x.n + z.n - z.o + z'.o =    cancel x.n
+        - z.n + z.n - z.o + z'.o =              cancel z.n
+        - z.o + z'.o =                      #1 twice
+        -z.s - z.d + z'.s + z'.d =          z and z' have same tzinfo
+        z'.d - z.d
 
 So z' is UTC-equivalent to x iff z'.d = z.d at this point.  If they are equal,
 we've found the UTC-equivalent so are done.  In fact, we stop with [7] and