diff --git a/Python/traceback.c b/Python/traceback.c
index 53491ee..adfd66c 100644
--- a/Python/traceback.c
+++ b/Python/traceback.c
@@ -12,272 +12,272 @@
 #define OFF(x) offsetof(PyTracebackObject, x)
 
 static PyMemberDef tb_memberlist[] = {
-	{"tb_next",	T_OBJECT,	OFF(tb_next), READONLY},
-	{"tb_frame",	T_OBJECT,	OFF(tb_frame), READONLY},
-	{"tb_lasti",	T_INT,		OFF(tb_lasti), READONLY},
-	{"tb_lineno",	T_INT,		OFF(tb_lineno), READONLY},
-	{NULL}	/* Sentinel */
+    {"tb_next",         T_OBJECT,       OFF(tb_next), READONLY},
+    {"tb_frame",        T_OBJECT,       OFF(tb_frame), READONLY},
+    {"tb_lasti",        T_INT,          OFF(tb_lasti), READONLY},
+    {"tb_lineno",       T_INT,          OFF(tb_lineno), READONLY},
+    {NULL}      /* Sentinel */
 };
 
 static void
 tb_dealloc(PyTracebackObject *tb)
 {
-	PyObject_GC_UnTrack(tb);
-	Py_TRASHCAN_SAFE_BEGIN(tb)
-	Py_XDECREF(tb->tb_next);
-	Py_XDECREF(tb->tb_frame);
-	PyObject_GC_Del(tb);
-	Py_TRASHCAN_SAFE_END(tb)
+    PyObject_GC_UnTrack(tb);
+    Py_TRASHCAN_SAFE_BEGIN(tb)
+    Py_XDECREF(tb->tb_next);
+    Py_XDECREF(tb->tb_frame);
+    PyObject_GC_Del(tb);
+    Py_TRASHCAN_SAFE_END(tb)
 }
 
 static int
 tb_traverse(PyTracebackObject *tb, visitproc visit, void *arg)
 {
-	Py_VISIT(tb->tb_next);
-	Py_VISIT(tb->tb_frame);
-	return 0;
+    Py_VISIT(tb->tb_next);
+    Py_VISIT(tb->tb_frame);
+    return 0;
 }
 
 static void
 tb_clear(PyTracebackObject *tb)
 {
-	Py_CLEAR(tb->tb_next);
-	Py_CLEAR(tb->tb_frame);
+    Py_CLEAR(tb->tb_next);
+    Py_CLEAR(tb->tb_frame);
 }
 
 PyTypeObject PyTraceBack_Type = {
-	PyVarObject_HEAD_INIT(&PyType_Type, 0)
-	"traceback",
-	sizeof(PyTracebackObject),
-	0,
-	(destructor)tb_dealloc, /*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 */
-	0,		/* tp_getattro */
-	0,		/* tp_setattro */
-	0,					/* tp_as_buffer */
-	Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */
-	0,             				/* tp_doc */
- 	(traverseproc)tb_traverse,		/* tp_traverse */
-	(inquiry)tb_clear,			/* tp_clear */
-	0,					/* tp_richcompare */
-	0,					/* tp_weaklistoffset */
-	0,					/* tp_iter */
-	0,					/* tp_iternext */
-	0,					/* tp_methods */
-	tb_memberlist,			        /* tp_members */
-	0,			                /* tp_getset */
-	0,					/* tp_base */
-	0,					/* tp_dict */
+    PyVarObject_HEAD_INIT(&PyType_Type, 0)
+    "traceback",
+    sizeof(PyTracebackObject),
+    0,
+    (destructor)tb_dealloc, /*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 */
+    0,                  /* tp_getattro */
+    0,                  /* tp_setattro */
+    0,                                          /* tp_as_buffer */
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */
+    0,                                          /* tp_doc */
+    (traverseproc)tb_traverse,                  /* tp_traverse */
+    (inquiry)tb_clear,                          /* tp_clear */
+    0,                                          /* tp_richcompare */
+    0,                                          /* tp_weaklistoffset */
+    0,                                          /* tp_iter */
+    0,                                          /* tp_iternext */
+    0,                                          /* tp_methods */
+    tb_memberlist,                              /* tp_members */
+    0,                                          /* tp_getset */
+    0,                                          /* tp_base */
+    0,                                          /* tp_dict */
 };
 
 static PyTracebackObject *
 newtracebackobject(PyTracebackObject *next, PyFrameObject *frame)
 {
-	PyTracebackObject *tb;
-	if ((next != NULL && !PyTraceBack_Check(next)) ||
-			frame == NULL || !PyFrame_Check(frame)) {
-		PyErr_BadInternalCall();
-		return NULL;
-	}
-	tb = PyObject_GC_New(PyTracebackObject, &PyTraceBack_Type);
-	if (tb != NULL) {
-		Py_XINCREF(next);
-		tb->tb_next = next;
-		Py_XINCREF(frame);
-		tb->tb_frame = frame;
-		tb->tb_lasti = frame->f_lasti;
-		tb->tb_lineno = PyFrame_GetLineNumber(frame);
-		PyObject_GC_Track(tb);
-	}
-	return tb;
+    PyTracebackObject *tb;
+    if ((next != NULL && !PyTraceBack_Check(next)) ||
+                    frame == NULL || !PyFrame_Check(frame)) {
+        PyErr_BadInternalCall();
+        return NULL;
+    }
+    tb = PyObject_GC_New(PyTracebackObject, &PyTraceBack_Type);
+    if (tb != NULL) {
+        Py_XINCREF(next);
+        tb->tb_next = next;
+        Py_XINCREF(frame);
+        tb->tb_frame = frame;
+        tb->tb_lasti = frame->f_lasti;
+        tb->tb_lineno = PyFrame_GetLineNumber(frame);
+        PyObject_GC_Track(tb);
+    }
+    return tb;
 }
 
 int
 PyTraceBack_Here(PyFrameObject *frame)
 {
-	PyThreadState *tstate = PyThreadState_GET();
-	PyTracebackObject *oldtb = (PyTracebackObject *) tstate->curexc_traceback;
-	PyTracebackObject *tb = newtracebackobject(oldtb, frame);
-	if (tb == NULL)
-		return -1;
-	tstate->curexc_traceback = (PyObject *)tb;
-	Py_XDECREF(oldtb);
-	return 0;
+    PyThreadState *tstate = PyThreadState_GET();
+    PyTracebackObject *oldtb = (PyTracebackObject *) tstate->curexc_traceback;
+    PyTracebackObject *tb = newtracebackobject(oldtb, frame);
+    if (tb == NULL)
+        return -1;
+    tstate->curexc_traceback = (PyObject *)tb;
+    Py_XDECREF(oldtb);
+    return 0;
 }
 
 int
 _Py_DisplaySourceLine(PyObject *f, const char *filename, int lineno, int indent)
 {
-	int err = 0;
-	FILE *xfp = NULL;
-	char linebuf[2000];
-	int i;
-	char namebuf[MAXPATHLEN+1];
+    int err = 0;
+    FILE *xfp = NULL;
+    char linebuf[2000];
+    int i;
+    char namebuf[MAXPATHLEN+1];
 
-	if (filename == NULL)
-		return -1;
-	/* This is needed by Emacs' compile command */
+    if (filename == NULL)
+        return -1;
+    /* This is needed by Emacs' compile command */
 #define FMT "  File \"%.500s\", line %d, in %.500s\n"
-	xfp = fopen(filename, "r" PY_STDIOTEXTMODE);
-	if (xfp == NULL) {
-		/* Search tail of filename in sys.path before giving up */
-		PyObject *path;
-		const char *tail = strrchr(filename, SEP);
-		if (tail == NULL)
-			tail = filename;
-		else
-			tail++;
-		path = PySys_GetObject("path");
-		if (path != NULL && PyList_Check(path)) {
-			Py_ssize_t _npath = PyList_Size(path);
-			int npath = Py_SAFE_DOWNCAST(_npath, Py_ssize_t, int);
-			size_t taillen = strlen(tail);
-			for (i = 0; i < npath; i++) {
-				PyObject *v = PyList_GetItem(path, i);
-				if (v == NULL) {
-					PyErr_Clear();
-					break;
-				}
-				if (PyString_Check(v)) {
-					size_t len;
-					len = PyString_GET_SIZE(v);
-					if (len + 1 + taillen >= MAXPATHLEN)
-						continue; /* Too long */
-					strcpy(namebuf, PyString_AsString(v));
-					if (strlen(namebuf) != len)
-						continue; /* v contains '\0' */
-					if (len > 0 && namebuf[len-1] != SEP)
-						namebuf[len++] = SEP;
-					strcpy(namebuf+len, tail);
-					xfp = fopen(namebuf, "r" PY_STDIOTEXTMODE);
-					if (xfp != NULL) {
-						break;
-					}
-				}
-			}
-		}
-	}
+    xfp = fopen(filename, "r" PY_STDIOTEXTMODE);
+    if (xfp == NULL) {
+        /* Search tail of filename in sys.path before giving up */
+        PyObject *path;
+        const char *tail = strrchr(filename, SEP);
+        if (tail == NULL)
+            tail = filename;
+        else
+            tail++;
+        path = PySys_GetObject("path");
+        if (path != NULL && PyList_Check(path)) {
+            Py_ssize_t _npath = PyList_Size(path);
+            int npath = Py_SAFE_DOWNCAST(_npath, Py_ssize_t, int);
+            size_t taillen = strlen(tail);
+            for (i = 0; i < npath; i++) {
+                PyObject *v = PyList_GetItem(path, i);
+                if (v == NULL) {
+                    PyErr_Clear();
+                    break;
+                }
+                if (PyString_Check(v)) {
+                    size_t len;
+                    len = PyString_GET_SIZE(v);
+                    if (len + 1 + taillen >= MAXPATHLEN)
+                        continue; /* Too long */
+                    strcpy(namebuf, PyString_AsString(v));
+                    if (strlen(namebuf) != len)
+                        continue; /* v contains '\0' */
+                    if (len > 0 && namebuf[len-1] != SEP)
+                        namebuf[len++] = SEP;
+                    strcpy(namebuf+len, tail);
+                    xfp = fopen(namebuf, "r" PY_STDIOTEXTMODE);
+                    if (xfp != NULL) {
+                        break;
+                    }
+                }
+            }
+        }
+    }
 
-        if (xfp == NULL)
-            return err;
-        if (err != 0) {
-            fclose(xfp);
-            return err;
+    if (xfp == NULL)
+        return err;
+    if (err != 0) {
+        fclose(xfp);
+        return err;
+    }
+
+    for (i = 0; i < lineno; i++) {
+        char* pLastChar = &linebuf[sizeof(linebuf)-2];
+        do {
+            *pLastChar = '\0';
+            if (Py_UniversalNewlineFgets(linebuf, sizeof linebuf, xfp, NULL) == NULL)
+                break;
+            /* fgets read *something*; if it didn't get as
+               far as pLastChar, it must have found a newline
+               or hit the end of the file;              if pLastChar is \n,
+               it obviously found a newline; else we haven't
+               yet seen a newline, so must continue */
+        } while (*pLastChar != '\0' && *pLastChar != '\n');
+    }
+    if (i == lineno) {
+        char buf[11];
+        char *p = linebuf;
+        while (*p == ' ' || *p == '\t' || *p == '\014')
+            p++;
+
+        /* Write some spaces before the line */
+        strcpy(buf, "          ");
+        assert (strlen(buf) == 10);
+        while (indent > 0) {
+            if(indent < 10)
+                buf[indent] = '\0';
+            err = PyFile_WriteString(buf, f);
+            if (err != 0)
+                break;
+            indent -= 10;
         }
 
-	for (i = 0; i < lineno; i++) {
-		char* pLastChar = &linebuf[sizeof(linebuf)-2];
-		do {
-			*pLastChar = '\0';
-			if (Py_UniversalNewlineFgets(linebuf, sizeof linebuf, xfp, NULL) == NULL)
-				break;
-			/* fgets read *something*; if it didn't get as
-			   far as pLastChar, it must have found a newline
-			   or hit the end of the file;	if pLastChar is \n,
-			   it obviously found a newline; else we haven't
-			   yet seen a newline, so must continue */
-		} while (*pLastChar != '\0' && *pLastChar != '\n');
-	}
-	if (i == lineno) {
-		char buf[11];
-		char *p = linebuf;
-		while (*p == ' ' || *p == '\t' || *p == '\014')
-			p++;
-
-		/* Write some spaces before the line */
-		strcpy(buf, "          ");
-		assert (strlen(buf) == 10);
-		while (indent > 0) {
-			if(indent < 10)
-				buf[indent] = '\0';
-			err = PyFile_WriteString(buf, f);
-			if (err != 0)
-				break;
-			indent -= 10;
-		}
-
-		if (err == 0)
-			err = PyFile_WriteString(p, f);
-		if (err == 0 && strchr(p, '\n') == NULL)
-			err = PyFile_WriteString("\n", f);
-	}
-	fclose(xfp);
-	return err;
+        if (err == 0)
+            err = PyFile_WriteString(p, f);
+        if (err == 0 && strchr(p, '\n') == NULL)
+            err = PyFile_WriteString("\n", f);
+    }
+    fclose(xfp);
+    return err;
 }
 
 static int
 tb_displayline(PyObject *f, const char *filename, int lineno, const char *name)
 {
-	int err = 0;
-        char linebuf[2000];
+    int err = 0;
+    char linebuf[2000];
 
-	if (filename == NULL || name == NULL)
-		return -1;
-	/* This is needed by Emacs' compile command */
+    if (filename == NULL || name == NULL)
+        return -1;
+    /* This is needed by Emacs' compile command */
 #define FMT "  File \"%.500s\", line %d, in %.500s\n"
-	PyOS_snprintf(linebuf, sizeof(linebuf), FMT, filename, lineno, name);
-	err = PyFile_WriteString(linebuf, f);
-	if (err != 0)
-		return err;
-        return _Py_DisplaySourceLine(f, filename, lineno, 4);
+    PyOS_snprintf(linebuf, sizeof(linebuf), FMT, filename, lineno, name);
+    err = PyFile_WriteString(linebuf, f);
+    if (err != 0)
+        return err;
+    return _Py_DisplaySourceLine(f, filename, lineno, 4);
 }
 
 static int
 tb_printinternal(PyTracebackObject *tb, PyObject *f, long limit)
 {
-	int err = 0;
-	long depth = 0;
-	PyTracebackObject *tb1 = tb;
-	while (tb1 != NULL) {
-		depth++;
-		tb1 = tb1->tb_next;
-	}
-	while (tb != NULL && err == 0) {
-		if (depth <= limit) {
-			err = tb_displayline(f,
-			    PyString_AsString(
-				    tb->tb_frame->f_code->co_filename),
-			    tb->tb_lineno,
-			    PyString_AsString(tb->tb_frame->f_code->co_name));
-		}
-		depth--;
-		tb = tb->tb_next;
-		if (err == 0)
-			err = PyErr_CheckSignals();
-	}
-	return err;
+    int err = 0;
+    long depth = 0;
+    PyTracebackObject *tb1 = tb;
+    while (tb1 != NULL) {
+        depth++;
+        tb1 = tb1->tb_next;
+    }
+    while (tb != NULL && err == 0) {
+        if (depth <= limit) {
+            err = tb_displayline(f,
+                PyString_AsString(
+                    tb->tb_frame->f_code->co_filename),
+                tb->tb_lineno,
+                PyString_AsString(tb->tb_frame->f_code->co_name));
+        }
+        depth--;
+        tb = tb->tb_next;
+        if (err == 0)
+            err = PyErr_CheckSignals();
+    }
+    return err;
 }
 
 int
 PyTraceBack_Print(PyObject *v, PyObject *f)
 {
-	int err;
-	PyObject *limitv;
-	long limit = 1000;
-	if (v == NULL)
-		return 0;
-	if (!PyTraceBack_Check(v)) {
-		PyErr_BadInternalCall();
-		return -1;
-	}
-	limitv = PySys_GetObject("tracebacklimit");
-	if (limitv && PyInt_Check(limitv)) {
-		limit = PyInt_AsLong(limitv);
-		if (limit <= 0)
-			return 0;
-	}
-	err = PyFile_WriteString("Traceback (most recent call last):\n", f);
-	if (!err)
-		err = tb_printinternal((PyTracebackObject *)v, f, limit);
-	return err;
+    int err;
+    PyObject *limitv;
+    long limit = 1000;
+    if (v == NULL)
+        return 0;
+    if (!PyTraceBack_Check(v)) {
+        PyErr_BadInternalCall();
+        return -1;
+    }
+    limitv = PySys_GetObject("tracebacklimit");
+    if (limitv && PyInt_Check(limitv)) {
+        limit = PyInt_AsLong(limitv);
+        if (limit <= 0)
+            return 0;
+    }
+    err = PyFile_WriteString("Traceback (most recent call last):\n", f);
+    if (!err)
+        err = tb_printinternal((PyTracebackObject *)v, f, limit);
+    return err;
 }