diff --git a/Modules/symtablemodule.c b/Modules/symtablemodule.c
index f66b598..3f281d2 100644
--- a/Modules/symtablemodule.c
+++ b/Modules/symtablemodule.c
@@ -8,93 +8,93 @@
 static PyObject *
 symtable_symtable(PyObject *self, PyObject *args)
 {
-	struct symtable *st;
-	PyObject *t;
+    struct symtable *st;
+    PyObject *t;
 
-	char *str;
-	char *filename;
-	char *startstr;
-	int start;
+    char *str;
+    char *filename;
+    char *startstr;
+    int start;
 
-	if (!PyArg_ParseTuple(args, "sss:symtable", &str, &filename, 
-			      &startstr))
-		return NULL;
-	if (strcmp(startstr, "exec") == 0)
-		start = Py_file_input;
-	else if (strcmp(startstr, "eval") == 0)
-		start = Py_eval_input;
-	else if (strcmp(startstr, "single") == 0)
-		start = Py_single_input;
-	else {
-		PyErr_SetString(PyExc_ValueError,
-		   "symtable() arg 3 must be 'exec' or 'eval' or 'single'");
-		return NULL;
-	}
-	st = Py_SymtableString(str, filename, start);
-	if (st == NULL)
-		return NULL;
-	t = st->st_blocks;
-	Py_INCREF(t);
-	PyMem_Free((void *)st->st_future);
-	PySymtable_Free(st);
-	return t;
+    if (!PyArg_ParseTuple(args, "sss:symtable", &str, &filename,
+                          &startstr))
+        return NULL;
+    if (strcmp(startstr, "exec") == 0)
+        start = Py_file_input;
+    else if (strcmp(startstr, "eval") == 0)
+        start = Py_eval_input;
+    else if (strcmp(startstr, "single") == 0)
+        start = Py_single_input;
+    else {
+        PyErr_SetString(PyExc_ValueError,
+           "symtable() arg 3 must be 'exec' or 'eval' or 'single'");
+        return NULL;
+    }
+    st = Py_SymtableString(str, filename, start);
+    if (st == NULL)
+        return NULL;
+    t = st->st_blocks;
+    Py_INCREF(t);
+    PyMem_Free((void *)st->st_future);
+    PySymtable_Free(st);
+    return t;
 }
 
 static PyMethodDef symtable_methods[] = {
-	{"symtable",	symtable_symtable,	METH_VARARGS,
-	 PyDoc_STR("Return symbol and scope dictionaries"
-	 	   " used internally by compiler.")},
-	{NULL,		NULL}		/* sentinel */
+    {"symtable",        symtable_symtable,      METH_VARARGS,
+     PyDoc_STR("Return symbol and scope dictionaries"
+               " used internally by compiler.")},
+    {NULL,              NULL}           /* sentinel */
 };
 
 static struct PyModuleDef symtablemodule = {
-	PyModuleDef_HEAD_INIT,
-	"_symtable",
-	NULL,
-	-1,
-	symtable_methods,
-	NULL,
-	NULL,
-	NULL,
-	NULL
+    PyModuleDef_HEAD_INIT,
+    "_symtable",
+    NULL,
+    -1,
+    symtable_methods,
+    NULL,
+    NULL,
+    NULL,
+    NULL
 };
 
 PyMODINIT_FUNC
 PyInit__symtable(void)
 {
-	PyObject *m;
+    PyObject *m;
 
-	m = PyModule_Create(&symtablemodule);
-	if (m == NULL)
-		return NULL;
-	PyModule_AddIntConstant(m, "USE", USE);
-	PyModule_AddIntConstant(m, "DEF_GLOBAL", DEF_GLOBAL);
-	PyModule_AddIntConstant(m, "DEF_LOCAL", DEF_LOCAL);
-	PyModule_AddIntConstant(m, "DEF_PARAM", DEF_PARAM);
-	PyModule_AddIntConstant(m, "DEF_FREE", DEF_FREE);
-	PyModule_AddIntConstant(m, "DEF_FREE_CLASS", DEF_FREE_CLASS);
-	PyModule_AddIntConstant(m, "DEF_IMPORT", DEF_IMPORT);
-	PyModule_AddIntConstant(m, "DEF_BOUND", DEF_BOUND);
+    m = PyModule_Create(&symtablemodule);
+    if (m == NULL)
+        return NULL;
+    PyModule_AddIntConstant(m, "USE", USE);
+    PyModule_AddIntConstant(m, "DEF_GLOBAL", DEF_GLOBAL);
+    PyModule_AddIntConstant(m, "DEF_LOCAL", DEF_LOCAL);
+    PyModule_AddIntConstant(m, "DEF_PARAM", DEF_PARAM);
+    PyModule_AddIntConstant(m, "DEF_FREE", DEF_FREE);
+    PyModule_AddIntConstant(m, "DEF_FREE_CLASS", DEF_FREE_CLASS);
+    PyModule_AddIntConstant(m, "DEF_IMPORT", DEF_IMPORT);
+    PyModule_AddIntConstant(m, "DEF_BOUND", DEF_BOUND);
 
-	PyModule_AddIntConstant(m, "TYPE_FUNCTION", FunctionBlock);
-	PyModule_AddIntConstant(m, "TYPE_CLASS", ClassBlock);
-	PyModule_AddIntConstant(m, "TYPE_MODULE", ModuleBlock);
+    PyModule_AddIntConstant(m, "TYPE_FUNCTION", FunctionBlock);
+    PyModule_AddIntConstant(m, "TYPE_CLASS", ClassBlock);
+    PyModule_AddIntConstant(m, "TYPE_MODULE", ModuleBlock);
 
-	PyModule_AddIntConstant(m, "OPT_IMPORT_STAR", OPT_IMPORT_STAR);
-	PyModule_AddIntConstant(m, "OPT_TOPLEVEL", OPT_TOPLEVEL);
+    PyModule_AddIntConstant(m, "OPT_IMPORT_STAR", OPT_IMPORT_STAR);
+    PyModule_AddIntConstant(m, "OPT_TOPLEVEL", OPT_TOPLEVEL);
 
-	PyModule_AddIntConstant(m, "LOCAL", LOCAL);
-	PyModule_AddIntConstant(m, "GLOBAL_EXPLICIT", GLOBAL_EXPLICIT);
-	PyModule_AddIntConstant(m, "GLOBAL_IMPLICIT", GLOBAL_IMPLICIT);
-	PyModule_AddIntConstant(m, "FREE", FREE);
-	PyModule_AddIntConstant(m, "CELL", CELL);
+    PyModule_AddIntConstant(m, "LOCAL", LOCAL);
+    PyModule_AddIntConstant(m, "GLOBAL_EXPLICIT", GLOBAL_EXPLICIT);
+    PyModule_AddIntConstant(m, "GLOBAL_IMPLICIT", GLOBAL_IMPLICIT);
+    PyModule_AddIntConstant(m, "FREE", FREE);
+    PyModule_AddIntConstant(m, "CELL", CELL);
 
-	PyModule_AddIntConstant(m, "SCOPE_OFF", SCOPE_OFFSET);
-	PyModule_AddIntConstant(m, "SCOPE_MASK", SCOPE_MASK);
+    PyModule_AddIntConstant(m, "SCOPE_OFF", SCOPE_OFFSET);
+    PyModule_AddIntConstant(m, "SCOPE_MASK", SCOPE_MASK);
 
-	if (PyErr_Occurred()) {
-		Py_DECREF(m);
-		m = 0;
-	}
-	return m;
+    if (PyErr_Occurred()) {
+        Py_DECREF(m);
+        m = 0;
+    }
+    return m;
 }