diff --git a/Python/mystrtoul.c b/Python/mystrtoul.c
index ebd468c..c35be81 100644
--- a/Python/mystrtoul.c
+++ b/Python/mystrtoul.c
@@ -18,43 +18,43 @@
  * i * base doesn't overflow unsigned long.
  */
 static unsigned long smallmax[] = {
-	0, /* bases 0 and 1 are invalid */
-	0,
-	ULONG_MAX / 2,
-	ULONG_MAX / 3,
-	ULONG_MAX / 4,
-	ULONG_MAX / 5,
-	ULONG_MAX / 6,
-	ULONG_MAX / 7,
-	ULONG_MAX / 8,
-	ULONG_MAX / 9,
-	ULONG_MAX / 10,
-	ULONG_MAX / 11,
-	ULONG_MAX / 12,
-	ULONG_MAX / 13,
-	ULONG_MAX / 14,
-	ULONG_MAX / 15,
-	ULONG_MAX / 16,
-	ULONG_MAX / 17,
-	ULONG_MAX / 18,
-	ULONG_MAX / 19,
-	ULONG_MAX / 20,
-	ULONG_MAX / 21,
-	ULONG_MAX / 22,
-	ULONG_MAX / 23,
-	ULONG_MAX / 24,
-	ULONG_MAX / 25,
-	ULONG_MAX / 26,
-	ULONG_MAX / 27,
-	ULONG_MAX / 28,
-	ULONG_MAX / 29,
-	ULONG_MAX / 30,
-	ULONG_MAX / 31,
-	ULONG_MAX / 32,
-	ULONG_MAX / 33,
-	ULONG_MAX / 34,
-	ULONG_MAX / 35,
-	ULONG_MAX / 36,
+    0, /* bases 0 and 1 are invalid */
+    0,
+    ULONG_MAX / 2,
+    ULONG_MAX / 3,
+    ULONG_MAX / 4,
+    ULONG_MAX / 5,
+    ULONG_MAX / 6,
+    ULONG_MAX / 7,
+    ULONG_MAX / 8,
+    ULONG_MAX / 9,
+    ULONG_MAX / 10,
+    ULONG_MAX / 11,
+    ULONG_MAX / 12,
+    ULONG_MAX / 13,
+    ULONG_MAX / 14,
+    ULONG_MAX / 15,
+    ULONG_MAX / 16,
+    ULONG_MAX / 17,
+    ULONG_MAX / 18,
+    ULONG_MAX / 19,
+    ULONG_MAX / 20,
+    ULONG_MAX / 21,
+    ULONG_MAX / 22,
+    ULONG_MAX / 23,
+    ULONG_MAX / 24,
+    ULONG_MAX / 25,
+    ULONG_MAX / 26,
+    ULONG_MAX / 27,
+    ULONG_MAX / 28,
+    ULONG_MAX / 29,
+    ULONG_MAX / 30,
+    ULONG_MAX / 31,
+    ULONG_MAX / 32,
+    ULONG_MAX / 33,
+    ULONG_MAX / 34,
+    ULONG_MAX / 35,
+    ULONG_MAX / 36,
 };
 
 /* maximum digits that can't ever overflow for bases 2 through 36,
@@ -63,223 +63,223 @@
  */
 #if SIZEOF_LONG == 4
 static int digitlimit[] = {
-	0,  0, 32, 20, 16, 13, 12, 11, 10, 10,  /*  0 -  9 */
-	9,  9,  8,  8,  8,  8,  8,  7,  7,  7,  /* 10 - 19 */
-	7,  7,  7,  7,  6,  6,  6,  6,  6,  6,  /* 20 - 29 */
-	6,  6,  6,  6,  6,  6,  6};             /* 30 - 36 */
+    0,  0, 32, 20, 16, 13, 12, 11, 10, 10,  /*  0 -  9 */
+    9,  9,  8,  8,  8,  8,  8,  7,  7,  7,  /* 10 - 19 */
+    7,  7,  7,  7,  6,  6,  6,  6,  6,  6,  /* 20 - 29 */
+    6,  6,  6,  6,  6,  6,  6};             /* 30 - 36 */
 #elif SIZEOF_LONG == 8
 /* [int(math.floor(math.log(2**64, i))) for i in range(2, 37)] */
 static int digitlimit[] = {
-	 0,   0, 64, 40, 32, 27, 24, 22, 21, 20,  /*  0 -  9 */
-	19,  18, 17, 17, 16, 16, 16, 15, 15, 15,  /* 10 - 19 */
-	14,  14, 14, 14, 13, 13, 13, 13, 13, 13,  /* 20 - 29 */
-	13,  12, 12, 12, 12, 12, 12};             /* 30 - 36 */
+         0,   0, 64, 40, 32, 27, 24, 22, 21, 20,  /*  0 -  9 */
+    19,  18, 17, 17, 16, 16, 16, 15, 15, 15,  /* 10 - 19 */
+    14,  14, 14, 14, 13, 13, 13, 13, 13, 13,  /* 20 - 29 */
+    13,  12, 12, 12, 12, 12, 12};             /* 30 - 36 */
 #else
 #error "Need table for SIZEOF_LONG"
 #endif
 
 /*
-**	strtoul
-**		This is a general purpose routine for converting
-**		an ascii string to an integer in an arbitrary base.
-**		Leading white space is ignored.  If 'base' is zero
-**		it looks for a leading 0, 0b, 0B, 0o, 0O, 0x or 0X
-**		to tell which base.  If these are absent it defaults
-**		to 10. Base must be 0 or between 2 and 36 (inclusive).
-**		If 'ptr' is non-NULL it will contain a pointer to
-**		the end of the scan.
-**		Errors due to bad pointers will probably result in
-**		exceptions - we don't check for them.
+**      strtoul
+**              This is a general purpose routine for converting
+**              an ascii string to an integer in an arbitrary base.
+**              Leading white space is ignored.  If 'base' is zero
+**              it looks for a leading 0, 0b, 0B, 0o, 0O, 0x or 0X
+**              to tell which base.  If these are absent it defaults
+**              to 10. Base must be 0 or between 2 and 36 (inclusive).
+**              If 'ptr' is non-NULL it will contain a pointer to
+**              the end of the scan.
+**              Errors due to bad pointers will probably result in
+**              exceptions - we don't check for them.
 */
 unsigned long
 PyOS_strtoul(register char *str, char **ptr, int base)
 {
-	register unsigned long result = 0; /* return value of the function */
-	register int c;	 	/* current input character */
-	register int ovlimit; 	/* required digits to overflow */
+    register unsigned long result = 0; /* return value of the function */
+    register int c;             /* current input character */
+    register int ovlimit;       /* required digits to overflow */
 
-	/* skip leading white space */
-	while (*str && isspace(Py_CHARMASK(*str)))
-		++str;
+    /* skip leading white space */
+    while (*str && isspace(Py_CHARMASK(*str)))
+        ++str;
 
-	/* check for leading 0 or 0x for auto-base or base 16 */
-	switch (base) {
-	case 0:		/* look for leading 0, 0b, 0o or 0x */
-		if (*str == '0') {
-			++str;
-			if (*str == 'x' || *str == 'X') {
-				/* there must be at least one digit after 0x */
-				if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 16) {
-					if (ptr)
-						*ptr = str;
-					return 0;
-				}
-				++str;
-				base = 16;
-			} else if (*str == 'o' || *str == 'O') {
-				/* there must be at least one digit after 0o */
-				if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 8) {
-					if (ptr)
-						*ptr = str;
-					return 0;
-				}
-				++str;
-				base = 8;
-			} else if (*str == 'b' || *str == 'B') {
-				/* there must be at least one digit after 0b */
-				if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 2) {
-					if (ptr)
-						*ptr = str;
-					return 0;
-				}
-				++str;
-				base = 2;
-			} else {
-				base = 8;
-			}
-		}
-		else
-			base = 10;
-		break;
+    /* check for leading 0 or 0x for auto-base or base 16 */
+    switch (base) {
+    case 0:             /* look for leading 0, 0b, 0o or 0x */
+        if (*str == '0') {
+            ++str;
+            if (*str == 'x' || *str == 'X') {
+                /* there must be at least one digit after 0x */
+                if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 16) {
+                    if (ptr)
+                        *ptr = str;
+                    return 0;
+                }
+                ++str;
+                base = 16;
+            } else if (*str == 'o' || *str == 'O') {
+                /* there must be at least one digit after 0o */
+                if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 8) {
+                    if (ptr)
+                        *ptr = str;
+                    return 0;
+                }
+                ++str;
+                base = 8;
+            } else if (*str == 'b' || *str == 'B') {
+                /* there must be at least one digit after 0b */
+                if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 2) {
+                    if (ptr)
+                        *ptr = str;
+                    return 0;
+                }
+                ++str;
+                base = 2;
+            } else {
+                base = 8;
+            }
+        }
+        else
+            base = 10;
+        break;
 
-	case 2:	/* skip leading 0b or 0B */
-		if (*str == '0') {
-			++str;
-			if (*str == 'b' || *str == 'B') {
-				/* there must be at least one digit after 0b */
-				if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 2) {
-					if (ptr)
-						*ptr = str;
-					return 0;
-				}
-				++str;
-			}
-		}
-		break;
+    case 2:     /* skip leading 0b or 0B */
+        if (*str == '0') {
+            ++str;
+            if (*str == 'b' || *str == 'B') {
+                /* there must be at least one digit after 0b */
+                if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 2) {
+                    if (ptr)
+                        *ptr = str;
+                    return 0;
+                }
+                ++str;
+            }
+        }
+        break;
 
-	case 8:	/* skip leading 0o or 0O */
-		if (*str == '0') {
-			++str;
-			if (*str == 'o' || *str == 'O') {
-				/* there must be at least one digit after 0o */
-				if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 8) {
-					if (ptr)
-						*ptr = str;
-					return 0;
-				}
-				++str;
-			}
-		}
-		break;
+    case 8:     /* skip leading 0o or 0O */
+        if (*str == '0') {
+            ++str;
+            if (*str == 'o' || *str == 'O') {
+                /* there must be at least one digit after 0o */
+                if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 8) {
+                    if (ptr)
+                        *ptr = str;
+                    return 0;
+                }
+                ++str;
+            }
+        }
+        break;
 
-	case 16:	/* skip leading 0x or 0X */
-		if (*str == '0') {
-			++str;
-			if (*str == 'x' || *str == 'X') {
-				/* there must be at least one digit after 0x */
-				if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 16) {
-					if (ptr)
-						*ptr = str;
-					return 0;
-				}
-				++str;
-			}
-		}
-		break;
-	}
+    case 16:            /* skip leading 0x or 0X */
+        if (*str == '0') {
+            ++str;
+            if (*str == 'x' || *str == 'X') {
+                /* there must be at least one digit after 0x */
+                if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 16) {
+                    if (ptr)
+                        *ptr = str;
+                    return 0;
+                }
+                ++str;
+            }
+        }
+        break;
+    }
 
-	/* catch silly bases */
-	if (base < 2 || base > 36) {
-		if (ptr)
-			*ptr = str;
-		return 0;
-	}
+    /* catch silly bases */
+    if (base < 2 || base > 36) {
+        if (ptr)
+            *ptr = str;
+        return 0;
+    }
 
-	/* skip leading zeroes */
-	while (*str == '0')
-		++str;
+    /* skip leading zeroes */
+    while (*str == '0')
+        ++str;
 
-	/* base is guaranteed to be in [2, 36] at this point */
-	ovlimit = digitlimit[base];
+    /* base is guaranteed to be in [2, 36] at this point */
+    ovlimit = digitlimit[base];
 
-	/* do the conversion until non-digit character encountered */
-	while ((c = _PyLong_DigitValue[Py_CHARMASK(*str)]) < base) {
-		if (ovlimit > 0) /* no overflow check required */
-			result = result * base + c;
-		else { /* requires overflow check */
-			register unsigned long temp_result;
+    /* do the conversion until non-digit character encountered */
+    while ((c = _PyLong_DigitValue[Py_CHARMASK(*str)]) < base) {
+        if (ovlimit > 0) /* no overflow check required */
+            result = result * base + c;
+        else { /* requires overflow check */
+            register unsigned long temp_result;
 
-			if (ovlimit < 0) /* guaranteed overflow */
-				goto overflowed;
+            if (ovlimit < 0) /* guaranteed overflow */
+                goto overflowed;
 
-			/* there could be an overflow */
-			/* check overflow just from shifting */
-			if (result > smallmax[base])
-				goto overflowed;
+            /* there could be an overflow */
+            /* check overflow just from shifting */
+            if (result > smallmax[base])
+                goto overflowed;
 
-			result *= base;
+            result *= base;
 
-			/* check overflow from the digit's value */
-			temp_result = result + c;
-			if (temp_result < result)
-				goto overflowed;
+            /* check overflow from the digit's value */
+            temp_result = result + c;
+            if (temp_result < result)
+                goto overflowed;
 
-			result = temp_result;
-		}
+            result = temp_result;
+        }
 
-		++str;
-		--ovlimit;
-	}
+        ++str;
+        --ovlimit;
+    }
 
-	/* set pointer to point to the last character scanned */
-	if (ptr)
-		*ptr = str;
+    /* set pointer to point to the last character scanned */
+    if (ptr)
+        *ptr = str;
 
-	return result;
+    return result;
 
 overflowed:
-	if (ptr) {
-		/* spool through remaining digit characters */
-		while (_PyLong_DigitValue[Py_CHARMASK(*str)] < base)
-			++str;
-		*ptr = str;
-	}
-	errno = ERANGE;
-	return (unsigned long)-1;
+    if (ptr) {
+        /* spool through remaining digit characters */
+        while (_PyLong_DigitValue[Py_CHARMASK(*str)] < base)
+            ++str;
+        *ptr = str;
+    }
+    errno = ERANGE;
+    return (unsigned long)-1;
 }
 
 /* Checking for overflow in PyOS_strtol is a PITA; see comments
  * about PY_ABS_LONG_MIN in longobject.c.
  */
-#define PY_ABS_LONG_MIN		(0-(unsigned long)LONG_MIN)
+#define PY_ABS_LONG_MIN         (0-(unsigned long)LONG_MIN)
 
 long
 PyOS_strtol(char *str, char **ptr, int base)
 {
-	long result;
-	unsigned long uresult;
-	char sign;
+    long result;
+    unsigned long uresult;
+    char sign;
 
-	while (*str && isspace(Py_CHARMASK(*str)))
-		str++;
+    while (*str && isspace(Py_CHARMASK(*str)))
+        str++;
 
-	sign = *str;
-	if (sign == '+' || sign == '-')
-		str++;
+    sign = *str;
+    if (sign == '+' || sign == '-')
+        str++;
 
-	uresult = PyOS_strtoul(str, ptr, base);
+    uresult = PyOS_strtoul(str, ptr, base);
 
-	if (uresult <= (unsigned long)LONG_MAX) {
-		result = (long)uresult;
-		if (sign == '-')
-			result = -result;
-	}
-	else if (sign == '-' && uresult == PY_ABS_LONG_MIN) {
-		result = LONG_MIN;
-	}
-	else {
-		errno = ERANGE;
-		result = LONG_MAX;
-	}
-	return result;
+    if (uresult <= (unsigned long)LONG_MAX) {
+        result = (long)uresult;
+        if (sign == '-')
+            result = -result;
+    }
+    else if (sign == '-' && uresult == PY_ABS_LONG_MIN) {
+        result = LONG_MIN;
+    }
+    else {
+        errno = ERANGE;
+        result = LONG_MAX;
+    }
+    return result;
 }