diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 71a53ea..f203618 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -40,9 +40,9 @@
 #ifndef Py_REF_DEBUG
 #define PRINT_TOTAL_REFS()
 #else /* Py_REF_DEBUG */
-#define PRINT_TOTAL_REFS() fprintf(stderr,				\
-				   "[%" PY_FORMAT_SIZE_T "d refs]\n",	\
-				   _Py_GetRefTotal())
+#define PRINT_TOTAL_REFS() fprintf(stderr,                              \
+                   "[%" PY_FORMAT_SIZE_T "d refs]\n",                   \
+                   _Py_GetRefTotal())
 #endif
 
 #ifdef __cplusplus
@@ -57,9 +57,9 @@
 static void initmain(void);
 static void initsite(void);
 static PyObject *run_mod(mod_ty, const char *, PyObject *, PyObject *,
-			  PyCompilerFlags *, PyArena *);
+                          PyCompilerFlags *, PyArena *);
 static PyObject *run_pyc_file(FILE *, const char *, PyObject *, PyObject *,
-			      PyCompilerFlags *);
+                              PyCompilerFlags *);
 static void err_input(perrdetail *);
 static void initsigs(void);
 static void wait_for_thread_shutdown(void);
@@ -95,7 +95,7 @@
 PyObject *
 PyModule_GetWarningsModule(void)
 {
-	return PyImport_ImportModule("warnings");
+    return PyImport_ImportModule("warnings");
 }
 
 static int initialized = 0;
@@ -105,7 +105,7 @@
 int
 Py_IsInitialized(void)
 {
-	return initialized;
+    return initialized;
 }
 
 /* Global initializations.  Can be undone by Py_Finalize().  Don't
@@ -123,251 +123,251 @@
 static int
 add_flag(int flag, const char *envs)
 {
-	int env = atoi(envs);
-	if (flag < env)
-		flag = env;
-	if (flag < 1)
-		flag = 1;
-	return flag;
+    int env = atoi(envs);
+    if (flag < env)
+        flag = env;
+    if (flag < 1)
+        flag = 1;
+    return flag;
 }
 
 void
 Py_InitializeEx(int install_sigs)
 {
-	PyInterpreterState *interp;
-	PyThreadState *tstate;
-	PyObject *bimod, *sysmod;
-	char *p;
-	char *icodeset = NULL; /* On Windows, input codeset may theoretically
-			          differ from output codeset. */
-	char *codeset = NULL;
-	char *errors = NULL;
-	int free_codeset = 0;
-	int overridden = 0;
-	PyObject *sys_stream, *sys_isatty;
+    PyInterpreterState *interp;
+    PyThreadState *tstate;
+    PyObject *bimod, *sysmod;
+    char *p;
+    char *icodeset = NULL; /* On Windows, input codeset may theoretically
+                              differ from output codeset. */
+    char *codeset = NULL;
+    char *errors = NULL;
+    int free_codeset = 0;
+    int overridden = 0;
+    PyObject *sys_stream, *sys_isatty;
 #if defined(Py_USING_UNICODE) && defined(HAVE_LANGINFO_H) && defined(CODESET)
-	char *saved_locale, *loc_codeset;
+    char *saved_locale, *loc_codeset;
 #endif
 #ifdef MS_WINDOWS
-	char ibuf[128];
-	char buf[128];
+    char ibuf[128];
+    char buf[128];
 #endif
-	extern void _Py_ReadyTypes(void);
+    extern void _Py_ReadyTypes(void);
 
-	if (initialized)
-		return;
-	initialized = 1;
+    if (initialized)
+        return;
+    initialized = 1;
 
-	if ((p = Py_GETENV("PYTHONDEBUG")) && *p != '\0')
-		Py_DebugFlag = add_flag(Py_DebugFlag, p);
-	if ((p = Py_GETENV("PYTHONVERBOSE")) && *p != '\0')
-		Py_VerboseFlag = add_flag(Py_VerboseFlag, p);
-	if ((p = Py_GETENV("PYTHONOPTIMIZE")) && *p != '\0')
-		Py_OptimizeFlag = add_flag(Py_OptimizeFlag, p);
-	if ((p = Py_GETENV("PYTHONDONTWRITEBYTECODE")) && *p != '\0')
-		Py_DontWriteBytecodeFlag = add_flag(Py_DontWriteBytecodeFlag, p);
+    if ((p = Py_GETENV("PYTHONDEBUG")) && *p != '\0')
+        Py_DebugFlag = add_flag(Py_DebugFlag, p);
+    if ((p = Py_GETENV("PYTHONVERBOSE")) && *p != '\0')
+        Py_VerboseFlag = add_flag(Py_VerboseFlag, p);
+    if ((p = Py_GETENV("PYTHONOPTIMIZE")) && *p != '\0')
+        Py_OptimizeFlag = add_flag(Py_OptimizeFlag, p);
+    if ((p = Py_GETENV("PYTHONDONTWRITEBYTECODE")) && *p != '\0')
+        Py_DontWriteBytecodeFlag = add_flag(Py_DontWriteBytecodeFlag, p);
 
-	interp = PyInterpreterState_New();
-	if (interp == NULL)
-		Py_FatalError("Py_Initialize: can't make first interpreter");
+    interp = PyInterpreterState_New();
+    if (interp == NULL)
+        Py_FatalError("Py_Initialize: can't make first interpreter");
 
-	tstate = PyThreadState_New(interp);
-	if (tstate == NULL)
-		Py_FatalError("Py_Initialize: can't make first thread");
-	(void) PyThreadState_Swap(tstate);
+    tstate = PyThreadState_New(interp);
+    if (tstate == NULL)
+        Py_FatalError("Py_Initialize: can't make first thread");
+    (void) PyThreadState_Swap(tstate);
 
-	_Py_ReadyTypes();
+    _Py_ReadyTypes();
 
-	if (!_PyFrame_Init())
-		Py_FatalError("Py_Initialize: can't init frames");
+    if (!_PyFrame_Init())
+        Py_FatalError("Py_Initialize: can't init frames");
 
-	if (!_PyInt_Init())
-		Py_FatalError("Py_Initialize: can't init ints");
+    if (!_PyInt_Init())
+        Py_FatalError("Py_Initialize: can't init ints");
 
-	if (!_PyLong_Init())
-		Py_FatalError("Py_Initialize: can't init longs");
+    if (!_PyLong_Init())
+        Py_FatalError("Py_Initialize: can't init longs");
 
-	if (!PyByteArray_Init())
-		Py_FatalError("Py_Initialize: can't init bytearray");
+    if (!PyByteArray_Init())
+        Py_FatalError("Py_Initialize: can't init bytearray");
 
-	_PyFloat_Init();
+    _PyFloat_Init();
 
-	interp->modules = PyDict_New();
-	if (interp->modules == NULL)
-		Py_FatalError("Py_Initialize: can't make modules dictionary");
-	interp->modules_reloading = PyDict_New();
-	if (interp->modules_reloading == NULL)
-		Py_FatalError("Py_Initialize: can't make modules_reloading dictionary");
+    interp->modules = PyDict_New();
+    if (interp->modules == NULL)
+        Py_FatalError("Py_Initialize: can't make modules dictionary");
+    interp->modules_reloading = PyDict_New();
+    if (interp->modules_reloading == NULL)
+        Py_FatalError("Py_Initialize: can't make modules_reloading dictionary");
 
 #ifdef Py_USING_UNICODE
-	/* Init Unicode implementation; relies on the codec registry */
-	_PyUnicode_Init();
+    /* Init Unicode implementation; relies on the codec registry */
+    _PyUnicode_Init();
 #endif
 
-	bimod = _PyBuiltin_Init();
-	if (bimod == NULL)
-		Py_FatalError("Py_Initialize: can't initialize __builtin__");
-	interp->builtins = PyModule_GetDict(bimod);
-	if (interp->builtins == NULL)
-		Py_FatalError("Py_Initialize: can't initialize builtins dict");
-	Py_INCREF(interp->builtins);
+    bimod = _PyBuiltin_Init();
+    if (bimod == NULL)
+        Py_FatalError("Py_Initialize: can't initialize __builtin__");
+    interp->builtins = PyModule_GetDict(bimod);
+    if (interp->builtins == NULL)
+        Py_FatalError("Py_Initialize: can't initialize builtins dict");
+    Py_INCREF(interp->builtins);
 
-	sysmod = _PySys_Init();
-	if (sysmod == NULL)
-		Py_FatalError("Py_Initialize: can't initialize sys");
-	interp->sysdict = PyModule_GetDict(sysmod);
-	if (interp->sysdict == NULL)
-		Py_FatalError("Py_Initialize: can't initialize sys dict");
-	Py_INCREF(interp->sysdict);
-	_PyImport_FixupExtension("sys", "sys");
-	PySys_SetPath(Py_GetPath());
-	PyDict_SetItemString(interp->sysdict, "modules",
-			     interp->modules);
+    sysmod = _PySys_Init();
+    if (sysmod == NULL)
+        Py_FatalError("Py_Initialize: can't initialize sys");
+    interp->sysdict = PyModule_GetDict(sysmod);
+    if (interp->sysdict == NULL)
+        Py_FatalError("Py_Initialize: can't initialize sys dict");
+    Py_INCREF(interp->sysdict);
+    _PyImport_FixupExtension("sys", "sys");
+    PySys_SetPath(Py_GetPath());
+    PyDict_SetItemString(interp->sysdict, "modules",
+                         interp->modules);
 
-	_PyImport_Init();
+    _PyImport_Init();
 
-	/* initialize builtin exceptions */
-	_PyExc_Init();
-	_PyImport_FixupExtension("exceptions", "exceptions");
+    /* initialize builtin exceptions */
+    _PyExc_Init();
+    _PyImport_FixupExtension("exceptions", "exceptions");
 
-	/* phase 2 of builtins */
-	_PyImport_FixupExtension("__builtin__", "__builtin__");
+    /* phase 2 of builtins */
+    _PyImport_FixupExtension("__builtin__", "__builtin__");
 
-	_PyImportHooks_Init();
+    _PyImportHooks_Init();
 
-	if (install_sigs)
-		initsigs(); /* Signal handling stuff, including initintr() */
+    if (install_sigs)
+        initsigs(); /* Signal handling stuff, including initintr() */
 
-	/* Initialize warnings. */
-	_PyWarnings_Init();
-	if (PySys_HasWarnOptions()) {
-		PyObject *warnings_module = PyImport_ImportModule("warnings");
-		if (!warnings_module)
-			PyErr_Clear();
-		Py_XDECREF(warnings_module);
-	}
+    /* Initialize warnings. */
+    _PyWarnings_Init();
+    if (PySys_HasWarnOptions()) {
+        PyObject *warnings_module = PyImport_ImportModule("warnings");
+        if (!warnings_module)
+            PyErr_Clear();
+        Py_XDECREF(warnings_module);
+    }
 
-	initmain(); /* Module __main__ */
+    initmain(); /* Module __main__ */
 
-	/* auto-thread-state API, if available */
+    /* auto-thread-state API, if available */
 #ifdef WITH_THREAD
-	_PyGILState_Init(interp, tstate);
+    _PyGILState_Init(interp, tstate);
 #endif /* WITH_THREAD */
 
-	if (!Py_NoSiteFlag)
-		initsite(); /* Module site */
+    if (!Py_NoSiteFlag)
+        initsite(); /* Module site */
 
-	if ((p = Py_GETENV("PYTHONIOENCODING")) && *p != '\0') {
-		p = icodeset = codeset = strdup(p);
-		free_codeset = 1;
-		errors = strchr(p, ':');
-		if (errors) {
-			*errors = '\0';
-			errors++;
-		}
-		overridden = 1;
-	}
+    if ((p = Py_GETENV("PYTHONIOENCODING")) && *p != '\0') {
+        p = icodeset = codeset = strdup(p);
+        free_codeset = 1;
+        errors = strchr(p, ':');
+        if (errors) {
+            *errors = '\0';
+            errors++;
+        }
+        overridden = 1;
+    }
 
 #if defined(Py_USING_UNICODE) && defined(HAVE_LANGINFO_H) && defined(CODESET)
-	/* On Unix, set the file system encoding according to the
-	   user's preference, if the CODESET names a well-known
-	   Python codec, and Py_FileSystemDefaultEncoding isn't
-	   initialized by other means. Also set the encoding of
-	   stdin and stdout if these are terminals, unless overridden.  */
+    /* On Unix, set the file system encoding according to the
+       user's preference, if the CODESET names a well-known
+       Python codec, and Py_FileSystemDefaultEncoding isn't
+       initialized by other means. Also set the encoding of
+       stdin and stdout if these are terminals, unless overridden.  */
 
-	if (!overridden || !Py_FileSystemDefaultEncoding) {
-		saved_locale = strdup(setlocale(LC_CTYPE, NULL));
-		setlocale(LC_CTYPE, "");
-		loc_codeset = nl_langinfo(CODESET);
-		if (loc_codeset && *loc_codeset) {
-			PyObject *enc = PyCodec_Encoder(loc_codeset);
-			if (enc) {
-				loc_codeset = strdup(loc_codeset);
-				Py_DECREF(enc);
-			} else {
-				if (PyErr_ExceptionMatches(PyExc_LookupError)) {
-					PyErr_Clear();
-					loc_codeset = NULL;
-				} else {
-					PyErr_Print();
-					exit(1);
-				}
-			}
-		} else
-			loc_codeset = NULL;
-		setlocale(LC_CTYPE, saved_locale);
-		free(saved_locale);
+    if (!overridden || !Py_FileSystemDefaultEncoding) {
+        saved_locale = strdup(setlocale(LC_CTYPE, NULL));
+        setlocale(LC_CTYPE, "");
+        loc_codeset = nl_langinfo(CODESET);
+        if (loc_codeset && *loc_codeset) {
+            PyObject *enc = PyCodec_Encoder(loc_codeset);
+            if (enc) {
+                loc_codeset = strdup(loc_codeset);
+                Py_DECREF(enc);
+            } else {
+                if (PyErr_ExceptionMatches(PyExc_LookupError)) {
+                    PyErr_Clear();
+                    loc_codeset = NULL;
+                } else {
+                    PyErr_Print();
+                    exit(1);
+                }
+            }
+        } else
+            loc_codeset = NULL;
+        setlocale(LC_CTYPE, saved_locale);
+        free(saved_locale);
 
-		if (!overridden) {
-			codeset = icodeset = loc_codeset;
-			free_codeset = 1;
-		}
+        if (!overridden) {
+            codeset = icodeset = loc_codeset;
+            free_codeset = 1;
+        }
 
-		/* Initialize Py_FileSystemDefaultEncoding from
-		   locale even if PYTHONIOENCODING is set. */
-		if (!Py_FileSystemDefaultEncoding) {
-			Py_FileSystemDefaultEncoding = loc_codeset;
-			if (!overridden)
-				free_codeset = 0;
-		}
-	}
+        /* Initialize Py_FileSystemDefaultEncoding from
+           locale even if PYTHONIOENCODING is set. */
+        if (!Py_FileSystemDefaultEncoding) {
+            Py_FileSystemDefaultEncoding = loc_codeset;
+            if (!overridden)
+                free_codeset = 0;
+        }
+    }
 #endif
 
 #ifdef MS_WINDOWS
-	if (!overridden) {
-		icodeset = ibuf;
-		codeset = buf;
-		sprintf(ibuf, "cp%d", GetConsoleCP());
-		sprintf(buf, "cp%d", GetConsoleOutputCP());
-	}
+    if (!overridden) {
+        icodeset = ibuf;
+        codeset = buf;
+        sprintf(ibuf, "cp%d", GetConsoleCP());
+        sprintf(buf, "cp%d", GetConsoleOutputCP());
+    }
 #endif
 
-	if (codeset) {
-		sys_stream = PySys_GetObject("stdin");
-		sys_isatty = PyObject_CallMethod(sys_stream, "isatty", "");
-		if (!sys_isatty)
-			PyErr_Clear();
-		if ((overridden ||
-		     (sys_isatty && PyObject_IsTrue(sys_isatty))) &&
-		   PyFile_Check(sys_stream)) {
-			if (!PyFile_SetEncodingAndErrors(sys_stream, icodeset, errors))
-				Py_FatalError("Cannot set codeset of stdin");
-		}
-		Py_XDECREF(sys_isatty);
+    if (codeset) {
+        sys_stream = PySys_GetObject("stdin");
+        sys_isatty = PyObject_CallMethod(sys_stream, "isatty", "");
+        if (!sys_isatty)
+            PyErr_Clear();
+        if ((overridden ||
+             (sys_isatty && PyObject_IsTrue(sys_isatty))) &&
+           PyFile_Check(sys_stream)) {
+            if (!PyFile_SetEncodingAndErrors(sys_stream, icodeset, errors))
+                Py_FatalError("Cannot set codeset of stdin");
+        }
+        Py_XDECREF(sys_isatty);
 
-		sys_stream = PySys_GetObject("stdout");
-		sys_isatty = PyObject_CallMethod(sys_stream, "isatty", "");
-		if (!sys_isatty)
-			PyErr_Clear();
-		if ((overridden ||
-		     (sys_isatty && PyObject_IsTrue(sys_isatty))) &&
-		   PyFile_Check(sys_stream)) {
-			if (!PyFile_SetEncodingAndErrors(sys_stream, codeset, errors))
-				Py_FatalError("Cannot set codeset of stdout");
-		}
-		Py_XDECREF(sys_isatty);
+        sys_stream = PySys_GetObject("stdout");
+        sys_isatty = PyObject_CallMethod(sys_stream, "isatty", "");
+        if (!sys_isatty)
+            PyErr_Clear();
+        if ((overridden ||
+             (sys_isatty && PyObject_IsTrue(sys_isatty))) &&
+           PyFile_Check(sys_stream)) {
+            if (!PyFile_SetEncodingAndErrors(sys_stream, codeset, errors))
+                Py_FatalError("Cannot set codeset of stdout");
+        }
+        Py_XDECREF(sys_isatty);
 
-		sys_stream = PySys_GetObject("stderr");
-		sys_isatty = PyObject_CallMethod(sys_stream, "isatty", "");
-		if (!sys_isatty)
-			PyErr_Clear();
-		if((overridden ||
-		    (sys_isatty && PyObject_IsTrue(sys_isatty))) &&
-		   PyFile_Check(sys_stream)) {
-			if (!PyFile_SetEncodingAndErrors(sys_stream, codeset, errors))
-				Py_FatalError("Cannot set codeset of stderr");
-		}
-		Py_XDECREF(sys_isatty);
+        sys_stream = PySys_GetObject("stderr");
+        sys_isatty = PyObject_CallMethod(sys_stream, "isatty", "");
+        if (!sys_isatty)
+            PyErr_Clear();
+        if((overridden ||
+            (sys_isatty && PyObject_IsTrue(sys_isatty))) &&
+           PyFile_Check(sys_stream)) {
+            if (!PyFile_SetEncodingAndErrors(sys_stream, codeset, errors))
+                Py_FatalError("Cannot set codeset of stderr");
+        }
+        Py_XDECREF(sys_isatty);
 
-		if (free_codeset)
-			free(codeset);
-	}
+        if (free_codeset)
+            free(codeset);
+    }
 }
 
 void
 Py_Initialize(void)
 {
-	Py_InitializeEx(1);
+    Py_InitializeEx(1);
 }
 
 
@@ -392,159 +392,159 @@
 void
 Py_Finalize(void)
 {
-	PyInterpreterState *interp;
-	PyThreadState *tstate;
+    PyInterpreterState *interp;
+    PyThreadState *tstate;
 
-	if (!initialized)
-		return;
+    if (!initialized)
+        return;
 
-	wait_for_thread_shutdown();
+    wait_for_thread_shutdown();
 
-	/* The interpreter is still entirely intact at this point, and the
-	 * exit funcs may be relying on that.  In particular, if some thread
-	 * or exit func is still waiting to do an import, the import machinery
-	 * expects Py_IsInitialized() to return true.  So don't say the
-	 * interpreter is uninitialized until after the exit funcs have run.
-	 * Note that Threading.py uses an exit func to do a join on all the
-	 * threads created thru it, so this also protects pending imports in
-	 * the threads created via Threading.
-	 */
-	call_sys_exitfunc();
-	initialized = 0;
+    /* The interpreter is still entirely intact at this point, and the
+     * exit funcs may be relying on that.  In particular, if some thread
+     * or exit func is still waiting to do an import, the import machinery
+     * expects Py_IsInitialized() to return true.  So don't say the
+     * interpreter is uninitialized until after the exit funcs have run.
+     * Note that Threading.py uses an exit func to do a join on all the
+     * threads created thru it, so this also protects pending imports in
+     * the threads created via Threading.
+     */
+    call_sys_exitfunc();
+    initialized = 0;
 
-	/* Get current thread state and interpreter pointer */
-	tstate = PyThreadState_GET();
-	interp = tstate->interp;
+    /* Get current thread state and interpreter pointer */
+    tstate = PyThreadState_GET();
+    interp = tstate->interp;
 
-	/* Disable signal handling */
-	PyOS_FiniInterrupts();
+    /* Disable signal handling */
+    PyOS_FiniInterrupts();
 
-	/* Clear type lookup cache */
-	PyType_ClearCache();
+    /* Clear type lookup cache */
+    PyType_ClearCache();
 
-	/* Collect garbage.  This may call finalizers; it's nice to call these
-	 * before all modules are destroyed.
-	 * XXX If a __del__ or weakref callback is triggered here, and tries to
-	 * XXX import a module, bad things can happen, because Python no
-	 * XXX longer believes it's initialized.
-	 * XXX     Fatal Python error: Interpreter not initialized (version mismatch?)
-	 * XXX is easy to provoke that way.  I've also seen, e.g.,
-	 * XXX     Exception exceptions.ImportError: 'No module named sha'
-	 * XXX         in <function callback at 0x008F5718> ignored
-	 * XXX but I'm unclear on exactly how that one happens.  In any case,
-	 * XXX I haven't seen a real-life report of either of these.
-	 */
-	PyGC_Collect();
+    /* Collect garbage.  This may call finalizers; it's nice to call these
+     * before all modules are destroyed.
+     * XXX If a __del__ or weakref callback is triggered here, and tries to
+     * XXX import a module, bad things can happen, because Python no
+     * XXX longer believes it's initialized.
+     * XXX     Fatal Python error: Interpreter not initialized (version mismatch?)
+     * XXX is easy to provoke that way.  I've also seen, e.g.,
+     * XXX     Exception exceptions.ImportError: 'No module named sha'
+     * XXX         in <function callback at 0x008F5718> ignored
+     * XXX but I'm unclear on exactly how that one happens.  In any case,
+     * XXX I haven't seen a real-life report of either of these.
+     */
+    PyGC_Collect();
 #ifdef COUNT_ALLOCS
-	/* With COUNT_ALLOCS, it helps to run GC multiple times:
-	   each collection might release some types from the type
-	   list, so they become garbage. */
-	while (PyGC_Collect() > 0)
-		/* nothing */;
+    /* With COUNT_ALLOCS, it helps to run GC multiple times:
+       each collection might release some types from the type
+       list, so they become garbage. */
+    while (PyGC_Collect() > 0)
+        /* nothing */;
 #endif
 
-	/* Destroy all modules */
-	PyImport_Cleanup();
+    /* Destroy all modules */
+    PyImport_Cleanup();
 
-	/* Collect final garbage.  This disposes of cycles created by
-	 * new-style class definitions, for example.
-	 * XXX This is disabled because it caused too many problems.  If
-	 * XXX a __del__ or weakref callback triggers here, Python code has
-	 * XXX a hard time running, because even the sys module has been
-	 * XXX cleared out (sys.stdout is gone, sys.excepthook is gone, etc).
-	 * XXX One symptom is a sequence of information-free messages
-	 * XXX coming from threads (if a __del__ or callback is invoked,
-	 * XXX other threads can execute too, and any exception they encounter
-	 * XXX triggers a comedy of errors as subsystem after subsystem
-	 * XXX fails to find what it *expects* to find in sys to help report
-	 * XXX the exception and consequent unexpected failures).  I've also
-	 * XXX seen segfaults then, after adding print statements to the
-	 * XXX Python code getting called.
-	 */
+    /* Collect final garbage.  This disposes of cycles created by
+     * new-style class definitions, for example.
+     * XXX This is disabled because it caused too many problems.  If
+     * XXX a __del__ or weakref callback triggers here, Python code has
+     * XXX a hard time running, because even the sys module has been
+     * XXX cleared out (sys.stdout is gone, sys.excepthook is gone, etc).
+     * XXX One symptom is a sequence of information-free messages
+     * XXX coming from threads (if a __del__ or callback is invoked,
+     * XXX other threads can execute too, and any exception they encounter
+     * XXX triggers a comedy of errors as subsystem after subsystem
+     * XXX fails to find what it *expects* to find in sys to help report
+     * XXX the exception and consequent unexpected failures).  I've also
+     * XXX seen segfaults then, after adding print statements to the
+     * XXX Python code getting called.
+     */
 #if 0
-	PyGC_Collect();
+    PyGC_Collect();
 #endif
 
-	/* Destroy the database used by _PyImport_{Fixup,Find}Extension */
-	_PyImport_Fini();
+    /* Destroy the database used by _PyImport_{Fixup,Find}Extension */
+    _PyImport_Fini();
 
-	/* Debugging stuff */
+    /* Debugging stuff */
 #ifdef COUNT_ALLOCS
-	dump_counts(stdout);
+    dump_counts(stdout);
 #endif
 
-	PRINT_TOTAL_REFS();
+    PRINT_TOTAL_REFS();
 
 #ifdef Py_TRACE_REFS
-	/* Display all objects still alive -- this can invoke arbitrary
-	 * __repr__ overrides, so requires a mostly-intact interpreter.
-	 * Alas, a lot of stuff may still be alive now that will be cleaned
-	 * up later.
-	 */
-	if (Py_GETENV("PYTHONDUMPREFS"))
-		_Py_PrintReferences(stderr);
+    /* Display all objects still alive -- this can invoke arbitrary
+     * __repr__ overrides, so requires a mostly-intact interpreter.
+     * Alas, a lot of stuff may still be alive now that will be cleaned
+     * up later.
+     */
+    if (Py_GETENV("PYTHONDUMPREFS"))
+        _Py_PrintReferences(stderr);
 #endif /* Py_TRACE_REFS */
 
-	/* Clear interpreter state */
-	PyInterpreterState_Clear(interp);
+    /* Clear interpreter state */
+    PyInterpreterState_Clear(interp);
 
-	/* Now we decref the exception classes.  After this point nothing
-	   can raise an exception.  That's okay, because each Fini() method
-	   below has been checked to make sure no exceptions are ever
-	   raised.
-	*/
+    /* Now we decref the exception classes.  After this point nothing
+       can raise an exception.  That's okay, because each Fini() method
+       below has been checked to make sure no exceptions are ever
+       raised.
+    */
 
-	_PyExc_Fini();
+    _PyExc_Fini();
 
-	/* Cleanup auto-thread-state */
+    /* Cleanup auto-thread-state */
 #ifdef WITH_THREAD
-	_PyGILState_Fini();
+    _PyGILState_Fini();
 #endif /* WITH_THREAD */
 
-	/* Delete current thread */
-	PyThreadState_Swap(NULL);
-	PyInterpreterState_Delete(interp);
+    /* Delete current thread */
+    PyThreadState_Swap(NULL);
+    PyInterpreterState_Delete(interp);
 
-	/* Sundry finalizers */
-	PyMethod_Fini();
-	PyFrame_Fini();
-	PyCFunction_Fini();
-	PyTuple_Fini();
-	PyList_Fini();
-	PySet_Fini();
-	PyString_Fini();
-	PyByteArray_Fini();
-	PyInt_Fini();
-	PyFloat_Fini();
-	PyDict_Fini();
+    /* Sundry finalizers */
+    PyMethod_Fini();
+    PyFrame_Fini();
+    PyCFunction_Fini();
+    PyTuple_Fini();
+    PyList_Fini();
+    PySet_Fini();
+    PyString_Fini();
+    PyByteArray_Fini();
+    PyInt_Fini();
+    PyFloat_Fini();
+    PyDict_Fini();
 
 #ifdef Py_USING_UNICODE
-	/* Cleanup Unicode implementation */
-	_PyUnicode_Fini();
+    /* Cleanup Unicode implementation */
+    _PyUnicode_Fini();
 #endif
 
-	/* XXX Still allocated:
-	   - various static ad-hoc pointers to interned strings
-	   - int and float free list blocks
-	   - whatever various modules and libraries allocate
-	*/
+    /* XXX Still allocated:
+       - various static ad-hoc pointers to interned strings
+       - int and float free list blocks
+       - whatever various modules and libraries allocate
+    */
 
-	PyGrammar_RemoveAccelerators(&_PyParser_Grammar);
+    PyGrammar_RemoveAccelerators(&_PyParser_Grammar);
 
 #ifdef Py_TRACE_REFS
-	/* Display addresses (& refcnts) of all objects still alive.
-	 * An address can be used to find the repr of the object, printed
-	 * above by _Py_PrintReferences.
-	 */
-	if (Py_GETENV("PYTHONDUMPREFS"))
-		_Py_PrintReferenceAddresses(stderr);
+    /* Display addresses (& refcnts) of all objects still alive.
+     * An address can be used to find the repr of the object, printed
+     * above by _Py_PrintReferences.
+     */
+    if (Py_GETENV("PYTHONDUMPREFS"))
+        _Py_PrintReferenceAddresses(stderr);
 #endif /* Py_TRACE_REFS */
 #ifdef PYMALLOC_DEBUG
-	if (Py_GETENV("PYTHONMALLOCSTATS"))
-		_PyObject_DebugMallocStats();
+    if (Py_GETENV("PYTHONMALLOCSTATS"))
+        _PyObject_DebugMallocStats();
 #endif
 
-	call_ll_exitfuncs();
+    call_ll_exitfuncs();
 }
 
 /* Create and initialize a new interpreter and thread, and return the
@@ -563,65 +563,65 @@
 PyThreadState *
 Py_NewInterpreter(void)
 {
-	PyInterpreterState *interp;
-	PyThreadState *tstate, *save_tstate;
-	PyObject *bimod, *sysmod;
+    PyInterpreterState *interp;
+    PyThreadState *tstate, *save_tstate;
+    PyObject *bimod, *sysmod;
 
-	if (!initialized)
-		Py_FatalError("Py_NewInterpreter: call Py_Initialize first");
+    if (!initialized)
+        Py_FatalError("Py_NewInterpreter: call Py_Initialize first");
 
-	interp = PyInterpreterState_New();
-	if (interp == NULL)
-		return NULL;
+    interp = PyInterpreterState_New();
+    if (interp == NULL)
+        return NULL;
 
-	tstate = PyThreadState_New(interp);
-	if (tstate == NULL) {
-		PyInterpreterState_Delete(interp);
-		return NULL;
-	}
+    tstate = PyThreadState_New(interp);
+    if (tstate == NULL) {
+        PyInterpreterState_Delete(interp);
+        return NULL;
+    }
 
-	save_tstate = PyThreadState_Swap(tstate);
+    save_tstate = PyThreadState_Swap(tstate);
 
-	/* XXX The following is lax in error checking */
+    /* XXX The following is lax in error checking */
 
-	interp->modules = PyDict_New();
-	interp->modules_reloading = PyDict_New();
+    interp->modules = PyDict_New();
+    interp->modules_reloading = PyDict_New();
 
-	bimod = _PyImport_FindExtension("__builtin__", "__builtin__");
-	if (bimod != NULL) {
-		interp->builtins = PyModule_GetDict(bimod);
-		if (interp->builtins == NULL)
-			goto handle_error;
-		Py_INCREF(interp->builtins);
-	}
-	sysmod = _PyImport_FindExtension("sys", "sys");
-	if (bimod != NULL && sysmod != NULL) {
-		interp->sysdict = PyModule_GetDict(sysmod);
-		if (interp->sysdict == NULL)
-			goto handle_error;
-		Py_INCREF(interp->sysdict);
-		PySys_SetPath(Py_GetPath());
-		PyDict_SetItemString(interp->sysdict, "modules",
-				     interp->modules);
-		_PyImportHooks_Init();
-		initmain();
-		if (!Py_NoSiteFlag)
-			initsite();
-	}
+    bimod = _PyImport_FindExtension("__builtin__", "__builtin__");
+    if (bimod != NULL) {
+        interp->builtins = PyModule_GetDict(bimod);
+        if (interp->builtins == NULL)
+            goto handle_error;
+        Py_INCREF(interp->builtins);
+    }
+    sysmod = _PyImport_FindExtension("sys", "sys");
+    if (bimod != NULL && sysmod != NULL) {
+        interp->sysdict = PyModule_GetDict(sysmod);
+        if (interp->sysdict == NULL)
+            goto handle_error;
+        Py_INCREF(interp->sysdict);
+        PySys_SetPath(Py_GetPath());
+        PyDict_SetItemString(interp->sysdict, "modules",
+                             interp->modules);
+        _PyImportHooks_Init();
+        initmain();
+        if (!Py_NoSiteFlag)
+            initsite();
+    }
 
-	if (!PyErr_Occurred())
-		return tstate;
+    if (!PyErr_Occurred())
+        return tstate;
 
 handle_error:
-	/* Oops, it didn't work.  Undo it all. */
+    /* Oops, it didn't work.  Undo it all. */
 
-	PyErr_Print();
-	PyThreadState_Clear(tstate);
-	PyThreadState_Swap(save_tstate);
-	PyThreadState_Delete(tstate);
-	PyInterpreterState_Delete(interp);
+    PyErr_Print();
+    PyThreadState_Clear(tstate);
+    PyThreadState_Swap(save_tstate);
+    PyThreadState_Delete(tstate);
+    PyInterpreterState_Delete(interp);
 
-	return NULL;
+    return NULL;
 }
 
 /* Delete an interpreter and its last thread.  This requires that the
@@ -639,19 +639,19 @@
 void
 Py_EndInterpreter(PyThreadState *tstate)
 {
-	PyInterpreterState *interp = tstate->interp;
+    PyInterpreterState *interp = tstate->interp;
 
-	if (tstate != PyThreadState_GET())
-		Py_FatalError("Py_EndInterpreter: thread is not current");
-	if (tstate->frame != NULL)
-		Py_FatalError("Py_EndInterpreter: thread still has a frame");
-	if (tstate != interp->tstate_head || tstate->next != NULL)
-		Py_FatalError("Py_EndInterpreter: not the last thread");
+    if (tstate != PyThreadState_GET())
+        Py_FatalError("Py_EndInterpreter: thread is not current");
+    if (tstate->frame != NULL)
+        Py_FatalError("Py_EndInterpreter: thread still has a frame");
+    if (tstate != interp->tstate_head || tstate->next != NULL)
+        Py_FatalError("Py_EndInterpreter: not the last thread");
 
-	PyImport_Cleanup();
-	PyInterpreterState_Clear(interp);
-	PyThreadState_Swap(NULL);
-	PyInterpreterState_Delete(interp);
+    PyImport_Cleanup();
+    PyInterpreterState_Clear(interp);
+    PyThreadState_Swap(NULL);
+    PyInterpreterState_Delete(interp);
 }
 
 static char *progname = "python";
@@ -659,14 +659,14 @@
 void
 Py_SetProgramName(char *pn)
 {
-	if (pn && *pn)
-		progname = pn;
+    if (pn && *pn)
+        progname = pn;
 }
 
 char *
 Py_GetProgramName(void)
 {
-	return progname;
+    return progname;
 }
 
 static char *default_home = NULL;
@@ -674,16 +674,16 @@
 void
 Py_SetPythonHome(char *home)
 {
-	default_home = home;
+    default_home = home;
 }
 
 char *
 Py_GetPythonHome(void)
 {
-	char *home = default_home;
-	if (home == NULL && !Py_IgnoreEnvironmentFlag)
-		home = Py_GETENV("PYTHONHOME");
-	return home;
+    char *home = default_home;
+    if (home == NULL && !Py_IgnoreEnvironmentFlag)
+        home = Py_GETENV("PYTHONHOME");
+    return home;
 }
 
 /* Create __main__ module */
@@ -691,18 +691,18 @@
 static void
 initmain(void)
 {
-	PyObject *m, *d;
-	m = PyImport_AddModule("__main__");
-	if (m == NULL)
-		Py_FatalError("can't create __main__ module");
-	d = PyModule_GetDict(m);
-	if (PyDict_GetItemString(d, "__builtins__") == NULL) {
-		PyObject *bimod = PyImport_ImportModule("__builtin__");
-		if (bimod == NULL ||
-		    PyDict_SetItemString(d, "__builtins__", bimod) != 0)
-			Py_FatalError("can't add __builtins__ to __main__");
-		Py_XDECREF(bimod);
-	}
+    PyObject *m, *d;
+    m = PyImport_AddModule("__main__");
+    if (m == NULL)
+        Py_FatalError("can't create __main__ module");
+    d = PyModule_GetDict(m);
+    if (PyDict_GetItemString(d, "__builtins__") == NULL) {
+        PyObject *bimod = PyImport_ImportModule("__builtin__");
+        if (bimod == NULL ||
+            PyDict_SetItemString(d, "__builtins__", bimod) != 0)
+            Py_FatalError("can't add __builtins__ to __main__");
+        Py_XDECREF(bimod);
+    }
 }
 
 /* Import the site module (not into __main__ though) */
@@ -710,148 +710,148 @@
 static void
 initsite(void)
 {
-	PyObject *m;
-	m = PyImport_ImportModule("site");
-	if (m == NULL) {
-		PyErr_Print();
-		Py_Finalize();
-		exit(1);
-	}
-	else {
-		Py_DECREF(m);
-	}
+    PyObject *m;
+    m = PyImport_ImportModule("site");
+    if (m == NULL) {
+        PyErr_Print();
+        Py_Finalize();
+        exit(1);
+    }
+    else {
+        Py_DECREF(m);
+    }
 }
 
 /* Parse input from a file and execute it */
 
 int
 PyRun_AnyFileExFlags(FILE *fp, const char *filename, int closeit,
-		     PyCompilerFlags *flags)
+                     PyCompilerFlags *flags)
 {
-	if (filename == NULL)
-		filename = "???";
-	if (Py_FdIsInteractive(fp, filename)) {
-		int err = PyRun_InteractiveLoopFlags(fp, filename, flags);
-		if (closeit)
-			fclose(fp);
-		return err;
-	}
-	else
-		return PyRun_SimpleFileExFlags(fp, filename, closeit, flags);
+    if (filename == NULL)
+        filename = "???";
+    if (Py_FdIsInteractive(fp, filename)) {
+        int err = PyRun_InteractiveLoopFlags(fp, filename, flags);
+        if (closeit)
+            fclose(fp);
+        return err;
+    }
+    else
+        return PyRun_SimpleFileExFlags(fp, filename, closeit, flags);
 }
 
 int
 PyRun_InteractiveLoopFlags(FILE *fp, const char *filename, PyCompilerFlags *flags)
 {
-	PyObject *v;
-	int ret;
-	PyCompilerFlags local_flags;
+    PyObject *v;
+    int ret;
+    PyCompilerFlags local_flags;
 
-	if (flags == NULL) {
-		flags = &local_flags;
-		local_flags.cf_flags = 0;
-	}
-	v = PySys_GetObject("ps1");
-	if (v == NULL) {
-		PySys_SetObject("ps1", v = PyString_FromString(">>> "));
-		Py_XDECREF(v);
-	}
-	v = PySys_GetObject("ps2");
-	if (v == NULL) {
-		PySys_SetObject("ps2", v = PyString_FromString("... "));
-		Py_XDECREF(v);
-	}
-	for (;;) {
-		ret = PyRun_InteractiveOneFlags(fp, filename, flags);
-		PRINT_TOTAL_REFS();
-		if (ret == E_EOF)
-			return 0;
-		/*
-		if (ret == E_NOMEM)
-			return -1;
-		*/
-	}
+    if (flags == NULL) {
+        flags = &local_flags;
+        local_flags.cf_flags = 0;
+    }
+    v = PySys_GetObject("ps1");
+    if (v == NULL) {
+        PySys_SetObject("ps1", v = PyString_FromString(">>> "));
+        Py_XDECREF(v);
+    }
+    v = PySys_GetObject("ps2");
+    if (v == NULL) {
+        PySys_SetObject("ps2", v = PyString_FromString("... "));
+        Py_XDECREF(v);
+    }
+    for (;;) {
+        ret = PyRun_InteractiveOneFlags(fp, filename, flags);
+        PRINT_TOTAL_REFS();
+        if (ret == E_EOF)
+            return 0;
+        /*
+        if (ret == E_NOMEM)
+            return -1;
+        */
+    }
 }
 
 #if 0
 /* compute parser flags based on compiler flags */
 #define PARSER_FLAGS(flags) \
-	((flags) ? ((((flags)->cf_flags & PyCF_DONT_IMPLY_DEDENT) ? \
-		      PyPARSE_DONT_IMPLY_DEDENT : 0)) : 0)
+    ((flags) ? ((((flags)->cf_flags & PyCF_DONT_IMPLY_DEDENT) ? \
+                  PyPARSE_DONT_IMPLY_DEDENT : 0)) : 0)
 #endif
 #if 1
 /* Keep an example of flags with future keyword support. */
 #define PARSER_FLAGS(flags) \
-	((flags) ? ((((flags)->cf_flags & PyCF_DONT_IMPLY_DEDENT) ? \
-		      PyPARSE_DONT_IMPLY_DEDENT : 0) \
-		    | (((flags)->cf_flags & CO_FUTURE_PRINT_FUNCTION) ? \
-		       PyPARSE_PRINT_IS_FUNCTION : 0) \
-		    | (((flags)->cf_flags & CO_FUTURE_UNICODE_LITERALS) ? \
-		       PyPARSE_UNICODE_LITERALS : 0) \
-		    ) : 0)
+    ((flags) ? ((((flags)->cf_flags & PyCF_DONT_IMPLY_DEDENT) ? \
+                  PyPARSE_DONT_IMPLY_DEDENT : 0) \
+                | (((flags)->cf_flags & CO_FUTURE_PRINT_FUNCTION) ? \
+                   PyPARSE_PRINT_IS_FUNCTION : 0) \
+                | (((flags)->cf_flags & CO_FUTURE_UNICODE_LITERALS) ? \
+                   PyPARSE_UNICODE_LITERALS : 0) \
+                ) : 0)
 #endif
 
 int
 PyRun_InteractiveOneFlags(FILE *fp, const char *filename, PyCompilerFlags *flags)
 {
-	PyObject *m, *d, *v, *w;
-	mod_ty mod;
-	PyArena *arena;
-	char *ps1 = "", *ps2 = "";
-	int errcode = 0;
+    PyObject *m, *d, *v, *w;
+    mod_ty mod;
+    PyArena *arena;
+    char *ps1 = "", *ps2 = "";
+    int errcode = 0;
 
-	v = PySys_GetObject("ps1");
-	if (v != NULL) {
-		v = PyObject_Str(v);
-		if (v == NULL)
-			PyErr_Clear();
-		else if (PyString_Check(v))
-			ps1 = PyString_AsString(v);
-	}
-	w = PySys_GetObject("ps2");
-	if (w != NULL) {
-		w = PyObject_Str(w);
-		if (w == NULL)
-			PyErr_Clear();
-		else if (PyString_Check(w))
-			ps2 = PyString_AsString(w);
-	}
-	arena = PyArena_New();
-	if (arena == NULL) {
-		Py_XDECREF(v);
-		Py_XDECREF(w);
-		return -1;
-	}
-	mod = PyParser_ASTFromFile(fp, filename,
-				   Py_single_input, ps1, ps2,
-				   flags, &errcode, arena);
-	Py_XDECREF(v);
-	Py_XDECREF(w);
-	if (mod == NULL) {
-		PyArena_Free(arena);
-		if (errcode == E_EOF) {
-			PyErr_Clear();
-			return E_EOF;
-		}
-		PyErr_Print();
-		return -1;
-	}
-	m = PyImport_AddModule("__main__");
-	if (m == NULL) {
-		PyArena_Free(arena);
-		return -1;
-	}
-	d = PyModule_GetDict(m);
-	v = run_mod(mod, filename, d, d, flags, arena);
-	PyArena_Free(arena);
-	if (v == NULL) {
-		PyErr_Print();
-		return -1;
-	}
-	Py_DECREF(v);
-	if (Py_FlushLine())
-		PyErr_Clear();
-	return 0;
+    v = PySys_GetObject("ps1");
+    if (v != NULL) {
+        v = PyObject_Str(v);
+        if (v == NULL)
+            PyErr_Clear();
+        else if (PyString_Check(v))
+            ps1 = PyString_AsString(v);
+    }
+    w = PySys_GetObject("ps2");
+    if (w != NULL) {
+        w = PyObject_Str(w);
+        if (w == NULL)
+            PyErr_Clear();
+        else if (PyString_Check(w))
+            ps2 = PyString_AsString(w);
+    }
+    arena = PyArena_New();
+    if (arena == NULL) {
+        Py_XDECREF(v);
+        Py_XDECREF(w);
+        return -1;
+    }
+    mod = PyParser_ASTFromFile(fp, filename,
+                               Py_single_input, ps1, ps2,
+                               flags, &errcode, arena);
+    Py_XDECREF(v);
+    Py_XDECREF(w);
+    if (mod == NULL) {
+        PyArena_Free(arena);
+        if (errcode == E_EOF) {
+            PyErr_Clear();
+            return E_EOF;
+        }
+        PyErr_Print();
+        return -1;
+    }
+    m = PyImport_AddModule("__main__");
+    if (m == NULL) {
+        PyArena_Free(arena);
+        return -1;
+    }
+    d = PyModule_GetDict(m);
+    v = run_mod(mod, filename, d, d, flags, arena);
+    PyArena_Free(arena);
+    if (v == NULL) {
+        PyErr_Print();
+        return -1;
+    }
+    Py_DECREF(v);
+    if (Py_FlushLine())
+        PyErr_Clear();
+    return 0;
 }
 
 /* Check whether a file maybe a pyc file: Look at the extension,
@@ -860,624 +860,624 @@
 static int
 maybe_pyc_file(FILE *fp, const char* filename, const char* ext, int closeit)
 {
-	if (strcmp(ext, ".pyc") == 0 || strcmp(ext, ".pyo") == 0)
-		return 1;
+    if (strcmp(ext, ".pyc") == 0 || strcmp(ext, ".pyo") == 0)
+        return 1;
 
-	/* Only look into the file if we are allowed to close it, since
-	   it then should also be seekable. */
-	if (closeit) {
-		/* Read only two bytes of the magic. If the file was opened in
-		   text mode, the bytes 3 and 4 of the magic (\r\n) might not
-		   be read as they are on disk. */
-		unsigned int halfmagic = PyImport_GetMagicNumber() & 0xFFFF;
-		unsigned char buf[2];
-		/* Mess:  In case of -x, the stream is NOT at its start now,
-		   and ungetc() was used to push back the first newline,
-		   which makes the current stream position formally undefined,
-		   and a x-platform nightmare.
-		   Unfortunately, we have no direct way to know whether -x
-		   was specified.  So we use a terrible hack:  if the current
-		   stream position is not 0, we assume -x was specified, and
-		   give up.  Bug 132850 on SourceForge spells out the
-		   hopelessness of trying anything else (fseek and ftell
-		   don't work predictably x-platform for text-mode files).
-		*/
-		int ispyc = 0;
-		if (ftell(fp) == 0) {
-			if (fread(buf, 1, 2, fp) == 2 &&
-			    ((unsigned int)buf[1]<<8 | buf[0]) == halfmagic)
-				ispyc = 1;
-			rewind(fp);
-		}
-		return ispyc;
-	}
-	return 0;
+    /* Only look into the file if we are allowed to close it, since
+       it then should also be seekable. */
+    if (closeit) {
+        /* Read only two bytes of the magic. If the file was opened in
+           text mode, the bytes 3 and 4 of the magic (\r\n) might not
+           be read as they are on disk. */
+        unsigned int halfmagic = PyImport_GetMagicNumber() & 0xFFFF;
+        unsigned char buf[2];
+        /* Mess:  In case of -x, the stream is NOT at its start now,
+           and ungetc() was used to push back the first newline,
+           which makes the current stream position formally undefined,
+           and a x-platform nightmare.
+           Unfortunately, we have no direct way to know whether -x
+           was specified.  So we use a terrible hack:  if the current
+           stream position is not 0, we assume -x was specified, and
+           give up.  Bug 132850 on SourceForge spells out the
+           hopelessness of trying anything else (fseek and ftell
+           don't work predictably x-platform for text-mode files).
+        */
+        int ispyc = 0;
+        if (ftell(fp) == 0) {
+            if (fread(buf, 1, 2, fp) == 2 &&
+                ((unsigned int)buf[1]<<8 | buf[0]) == halfmagic)
+                ispyc = 1;
+            rewind(fp);
+        }
+        return ispyc;
+    }
+    return 0;
 }
 
 int
 PyRun_SimpleFileExFlags(FILE *fp, const char *filename, int closeit,
-			PyCompilerFlags *flags)
+                        PyCompilerFlags *flags)
 {
-	PyObject *m, *d, *v;
-	const char *ext;
-	int set_file_name = 0, ret, len;
+    PyObject *m, *d, *v;
+    const char *ext;
+    int set_file_name = 0, ret, len;
 
-	m = PyImport_AddModule("__main__");
-	if (m == NULL)
-		return -1;
-	d = PyModule_GetDict(m);
-	if (PyDict_GetItemString(d, "__file__") == NULL) {
-		PyObject *f = PyString_FromString(filename);
-		if (f == NULL)
-			return -1;
-		if (PyDict_SetItemString(d, "__file__", f) < 0) {
-			Py_DECREF(f);
-			return -1;
-		}
-		set_file_name = 1;
-		Py_DECREF(f);
-	}
-	len = strlen(filename);
-	ext = filename + len - (len > 4 ? 4 : 0);
-	if (maybe_pyc_file(fp, filename, ext, closeit)) {
-		/* Try to run a pyc file. First, re-open in binary */
-		if (closeit)
-			fclose(fp);
-		if ((fp = fopen(filename, "rb")) == NULL) {
-			fprintf(stderr, "python: Can't reopen .pyc file\n");
-			ret = -1;
-			goto done;
-		}
-		/* Turn on optimization if a .pyo file is given */
-		if (strcmp(ext, ".pyo") == 0)
-			Py_OptimizeFlag = 1;
-		v = run_pyc_file(fp, filename, d, d, flags);
-	} else {
-		v = PyRun_FileExFlags(fp, filename, Py_file_input, d, d,
-				      closeit, flags);
-	}
-	if (v == NULL) {
-		PyErr_Print();
-		ret = -1;
-		goto done;
-	}
-	Py_DECREF(v);
-	if (Py_FlushLine())
-		PyErr_Clear();
-	ret = 0;
+    m = PyImport_AddModule("__main__");
+    if (m == NULL)
+        return -1;
+    d = PyModule_GetDict(m);
+    if (PyDict_GetItemString(d, "__file__") == NULL) {
+        PyObject *f = PyString_FromString(filename);
+        if (f == NULL)
+            return -1;
+        if (PyDict_SetItemString(d, "__file__", f) < 0) {
+            Py_DECREF(f);
+            return -1;
+        }
+        set_file_name = 1;
+        Py_DECREF(f);
+    }
+    len = strlen(filename);
+    ext = filename + len - (len > 4 ? 4 : 0);
+    if (maybe_pyc_file(fp, filename, ext, closeit)) {
+        /* Try to run a pyc file. First, re-open in binary */
+        if (closeit)
+            fclose(fp);
+        if ((fp = fopen(filename, "rb")) == NULL) {
+            fprintf(stderr, "python: Can't reopen .pyc file\n");
+            ret = -1;
+            goto done;
+        }
+        /* Turn on optimization if a .pyo file is given */
+        if (strcmp(ext, ".pyo") == 0)
+            Py_OptimizeFlag = 1;
+        v = run_pyc_file(fp, filename, d, d, flags);
+    } else {
+        v = PyRun_FileExFlags(fp, filename, Py_file_input, d, d,
+                              closeit, flags);
+    }
+    if (v == NULL) {
+        PyErr_Print();
+        ret = -1;
+        goto done;
+    }
+    Py_DECREF(v);
+    if (Py_FlushLine())
+        PyErr_Clear();
+    ret = 0;
   done:
-	if (set_file_name && PyDict_DelItemString(d, "__file__"))
-		PyErr_Clear();
-	return ret;
+    if (set_file_name && PyDict_DelItemString(d, "__file__"))
+        PyErr_Clear();
+    return ret;
 }
 
 int
 PyRun_SimpleStringFlags(const char *command, PyCompilerFlags *flags)
 {
-	PyObject *m, *d, *v;
-	m = PyImport_AddModule("__main__");
-	if (m == NULL)
-		return -1;
-	d = PyModule_GetDict(m);
-	v = PyRun_StringFlags(command, Py_file_input, d, d, flags);
-	if (v == NULL) {
-		PyErr_Print();
-		return -1;
-	}
-	Py_DECREF(v);
-	if (Py_FlushLine())
-		PyErr_Clear();
-	return 0;
+    PyObject *m, *d, *v;
+    m = PyImport_AddModule("__main__");
+    if (m == NULL)
+        return -1;
+    d = PyModule_GetDict(m);
+    v = PyRun_StringFlags(command, Py_file_input, d, d, flags);
+    if (v == NULL) {
+        PyErr_Print();
+        return -1;
+    }
+    Py_DECREF(v);
+    if (Py_FlushLine())
+        PyErr_Clear();
+    return 0;
 }
 
 static int
 parse_syntax_error(PyObject *err, PyObject **message, const char **filename,
-		   int *lineno, int *offset, const char **text)
+                   int *lineno, int *offset, const char **text)
 {
-	long hold;
-	PyObject *v;
+    long hold;
+    PyObject *v;
 
-	/* old style errors */
-	if (PyTuple_Check(err))
-		return PyArg_ParseTuple(err, "O(ziiz)", message, filename,
-					lineno, offset, text);
+    /* old style errors */
+    if (PyTuple_Check(err))
+        return PyArg_ParseTuple(err, "O(ziiz)", message, filename,
+                                lineno, offset, text);
 
-	/* new style errors.  `err' is an instance */
+    /* new style errors.  `err' is an instance */
 
-	if (! (v = PyObject_GetAttrString(err, "msg")))
-		goto finally;
-	*message = v;
+    if (! (v = PyObject_GetAttrString(err, "msg")))
+        goto finally;
+    *message = v;
 
-	if (!(v = PyObject_GetAttrString(err, "filename")))
-		goto finally;
-	if (v == Py_None)
-		*filename = NULL;
-	else if (! (*filename = PyString_AsString(v)))
-		goto finally;
+    if (!(v = PyObject_GetAttrString(err, "filename")))
+        goto finally;
+    if (v == Py_None)
+        *filename = NULL;
+    else if (! (*filename = PyString_AsString(v)))
+        goto finally;
 
-	Py_DECREF(v);
-	if (!(v = PyObject_GetAttrString(err, "lineno")))
-		goto finally;
-	hold = PyInt_AsLong(v);
-	Py_DECREF(v);
-	v = NULL;
-	if (hold < 0 && PyErr_Occurred())
-		goto finally;
-	*lineno = (int)hold;
+    Py_DECREF(v);
+    if (!(v = PyObject_GetAttrString(err, "lineno")))
+        goto finally;
+    hold = PyInt_AsLong(v);
+    Py_DECREF(v);
+    v = NULL;
+    if (hold < 0 && PyErr_Occurred())
+        goto finally;
+    *lineno = (int)hold;
 
-	if (!(v = PyObject_GetAttrString(err, "offset")))
-		goto finally;
-	if (v == Py_None) {
-		*offset = -1;
-		Py_DECREF(v);
-		v = NULL;
-	} else {
-		hold = PyInt_AsLong(v);
-		Py_DECREF(v);
-		v = NULL;
-		if (hold < 0 && PyErr_Occurred())
-			goto finally;
-		*offset = (int)hold;
-	}
+    if (!(v = PyObject_GetAttrString(err, "offset")))
+        goto finally;
+    if (v == Py_None) {
+        *offset = -1;
+        Py_DECREF(v);
+        v = NULL;
+    } else {
+        hold = PyInt_AsLong(v);
+        Py_DECREF(v);
+        v = NULL;
+        if (hold < 0 && PyErr_Occurred())
+            goto finally;
+        *offset = (int)hold;
+    }
 
-	if (!(v = PyObject_GetAttrString(err, "text")))
-		goto finally;
-	if (v == Py_None)
-		*text = NULL;
-	else if (! (*text = PyString_AsString(v)))
-		goto finally;
-	Py_DECREF(v);
-	return 1;
+    if (!(v = PyObject_GetAttrString(err, "text")))
+        goto finally;
+    if (v == Py_None)
+        *text = NULL;
+    else if (! (*text = PyString_AsString(v)))
+        goto finally;
+    Py_DECREF(v);
+    return 1;
 
 finally:
-	Py_XDECREF(v);
-	return 0;
+    Py_XDECREF(v);
+    return 0;
 }
 
 void
 PyErr_Print(void)
 {
-	PyErr_PrintEx(1);
+    PyErr_PrintEx(1);
 }
 
 static void
 print_error_text(PyObject *f, int offset, const char *text)
 {
-	char *nl;
-	if (offset >= 0) {
-		if (offset > 0 && offset == (int)strlen(text))
-			offset--;
-		for (;;) {
-			nl = strchr(text, '\n');
-			if (nl == NULL || nl-text >= offset)
-				break;
-			offset -= (int)(nl+1-text);
-			text = nl+1;
-		}
-		while (*text == ' ' || *text == '\t') {
-			text++;
-			offset--;
-		}
-	}
-	PyFile_WriteString("    ", f);
-	PyFile_WriteString(text, f);
-	if (*text == '\0' || text[strlen(text)-1] != '\n')
-		PyFile_WriteString("\n", f);
-	if (offset == -1)
-		return;
-	PyFile_WriteString("    ", f);
-	offset--;
-	while (offset > 0) {
-		PyFile_WriteString(" ", f);
-		offset--;
-	}
-	PyFile_WriteString("^\n", f);
+    char *nl;
+    if (offset >= 0) {
+        if (offset > 0 && offset == (int)strlen(text))
+            offset--;
+        for (;;) {
+            nl = strchr(text, '\n');
+            if (nl == NULL || nl-text >= offset)
+                break;
+            offset -= (int)(nl+1-text);
+            text = nl+1;
+        }
+        while (*text == ' ' || *text == '\t') {
+            text++;
+            offset--;
+        }
+    }
+    PyFile_WriteString("    ", f);
+    PyFile_WriteString(text, f);
+    if (*text == '\0' || text[strlen(text)-1] != '\n')
+        PyFile_WriteString("\n", f);
+    if (offset == -1)
+        return;
+    PyFile_WriteString("    ", f);
+    offset--;
+    while (offset > 0) {
+        PyFile_WriteString(" ", f);
+        offset--;
+    }
+    PyFile_WriteString("^\n", f);
 }
 
 static void
 handle_system_exit(void)
 {
-	PyObject *exception, *value, *tb;
-	int exitcode = 0;
+    PyObject *exception, *value, *tb;
+    int exitcode = 0;
 
-	if (Py_InspectFlag)
-		/* Don't exit if -i flag was given. This flag is set to 0
-		 * when entering interactive mode for inspecting. */
-		return;
+    if (Py_InspectFlag)
+        /* Don't exit if -i flag was given. This flag is set to 0
+         * when entering interactive mode for inspecting. */
+        return;
 
-	PyErr_Fetch(&exception, &value, &tb);
-	if (Py_FlushLine())
-		PyErr_Clear();
-	fflush(stdout);
-	if (value == NULL || value == Py_None)
-		goto done;
-	if (PyExceptionInstance_Check(value)) {
-		/* The error code should be in the `code' attribute. */
-		PyObject *code = PyObject_GetAttrString(value, "code");
-		if (code) {
-			Py_DECREF(value);
-			value = code;
-			if (value == Py_None)
-				goto done;
-		}
-		/* If we failed to dig out the 'code' attribute,
-		   just let the else clause below print the error. */
-	}
-	if (PyInt_Check(value))
-		exitcode = (int)PyInt_AsLong(value);
-	else {
-		PyObject_Print(value, stderr, Py_PRINT_RAW);
-		PySys_WriteStderr("\n");
-		exitcode = 1;
-	}
+    PyErr_Fetch(&exception, &value, &tb);
+    if (Py_FlushLine())
+        PyErr_Clear();
+    fflush(stdout);
+    if (value == NULL || value == Py_None)
+        goto done;
+    if (PyExceptionInstance_Check(value)) {
+        /* The error code should be in the `code' attribute. */
+        PyObject *code = PyObject_GetAttrString(value, "code");
+        if (code) {
+            Py_DECREF(value);
+            value = code;
+            if (value == Py_None)
+                goto done;
+        }
+        /* If we failed to dig out the 'code' attribute,
+           just let the else clause below print the error. */
+    }
+    if (PyInt_Check(value))
+        exitcode = (int)PyInt_AsLong(value);
+    else {
+        PyObject_Print(value, stderr, Py_PRINT_RAW);
+        PySys_WriteStderr("\n");
+        exitcode = 1;
+    }
  done:
-	/* Restore and clear the exception info, in order to properly decref
-	 * the exception, value, and traceback.	 If we just exit instead,
-	 * these leak, which confuses PYTHONDUMPREFS output, and may prevent
-	 * some finalizers from running.
-	 */
-	PyErr_Restore(exception, value, tb);
-	PyErr_Clear();
-	Py_Exit(exitcode);
-	/* NOTREACHED */
+    /* Restore and clear the exception info, in order to properly decref
+     * the exception, value, and traceback.      If we just exit instead,
+     * these leak, which confuses PYTHONDUMPREFS output, and may prevent
+     * some finalizers from running.
+     */
+    PyErr_Restore(exception, value, tb);
+    PyErr_Clear();
+    Py_Exit(exitcode);
+    /* NOTREACHED */
 }
 
 void
 PyErr_PrintEx(int set_sys_last_vars)
 {
-	PyObject *exception, *v, *tb, *hook;
+    PyObject *exception, *v, *tb, *hook;
 
-	if (PyErr_ExceptionMatches(PyExc_SystemExit)) {
-		handle_system_exit();
-	}
-	PyErr_Fetch(&exception, &v, &tb);
-	if (exception == NULL)
-		return;
-	PyErr_NormalizeException(&exception, &v, &tb);
-	if (exception == NULL)
-		return;
-	/* Now we know v != NULL too */
-	if (set_sys_last_vars) {
-		PySys_SetObject("last_type", exception);
-		PySys_SetObject("last_value", v);
-		PySys_SetObject("last_traceback", tb);
-	}
-	hook = PySys_GetObject("excepthook");
-	if (hook) {
-		PyObject *args = PyTuple_Pack(3,
-		    exception, v, tb ? tb : Py_None);
-		PyObject *result = PyEval_CallObject(hook, args);
-		if (result == NULL) {
-			PyObject *exception2, *v2, *tb2;
-			if (PyErr_ExceptionMatches(PyExc_SystemExit)) {
-				handle_system_exit();
-			}
-			PyErr_Fetch(&exception2, &v2, &tb2);
-			PyErr_NormalizeException(&exception2, &v2, &tb2);
-			/* It should not be possible for exception2 or v2
-			   to be NULL. However PyErr_Display() can't
-			   tolerate NULLs, so just be safe. */
-			if (exception2 == NULL) {
-				exception2 = Py_None;
-				Py_INCREF(exception2);
-			}
-			if (v2 == NULL) {
-				v2 = Py_None;
-				Py_INCREF(v2);
-			}
-			if (Py_FlushLine())
-				PyErr_Clear();
-			fflush(stdout);
-			PySys_WriteStderr("Error in sys.excepthook:\n");
-			PyErr_Display(exception2, v2, tb2);
-			PySys_WriteStderr("\nOriginal exception was:\n");
-			PyErr_Display(exception, v, tb);
-			Py_DECREF(exception2);
-			Py_DECREF(v2);
-			Py_XDECREF(tb2);
-		}
-		Py_XDECREF(result);
-		Py_XDECREF(args);
-	} else {
-		PySys_WriteStderr("sys.excepthook is missing\n");
-		PyErr_Display(exception, v, tb);
-	}
-	Py_XDECREF(exception);
-	Py_XDECREF(v);
-	Py_XDECREF(tb);
+    if (PyErr_ExceptionMatches(PyExc_SystemExit)) {
+        handle_system_exit();
+    }
+    PyErr_Fetch(&exception, &v, &tb);
+    if (exception == NULL)
+        return;
+    PyErr_NormalizeException(&exception, &v, &tb);
+    if (exception == NULL)
+        return;
+    /* Now we know v != NULL too */
+    if (set_sys_last_vars) {
+        PySys_SetObject("last_type", exception);
+        PySys_SetObject("last_value", v);
+        PySys_SetObject("last_traceback", tb);
+    }
+    hook = PySys_GetObject("excepthook");
+    if (hook) {
+        PyObject *args = PyTuple_Pack(3,
+            exception, v, tb ? tb : Py_None);
+        PyObject *result = PyEval_CallObject(hook, args);
+        if (result == NULL) {
+            PyObject *exception2, *v2, *tb2;
+            if (PyErr_ExceptionMatches(PyExc_SystemExit)) {
+                handle_system_exit();
+            }
+            PyErr_Fetch(&exception2, &v2, &tb2);
+            PyErr_NormalizeException(&exception2, &v2, &tb2);
+            /* It should not be possible for exception2 or v2
+               to be NULL. However PyErr_Display() can't
+               tolerate NULLs, so just be safe. */
+            if (exception2 == NULL) {
+                exception2 = Py_None;
+                Py_INCREF(exception2);
+            }
+            if (v2 == NULL) {
+                v2 = Py_None;
+                Py_INCREF(v2);
+            }
+            if (Py_FlushLine())
+                PyErr_Clear();
+            fflush(stdout);
+            PySys_WriteStderr("Error in sys.excepthook:\n");
+            PyErr_Display(exception2, v2, tb2);
+            PySys_WriteStderr("\nOriginal exception was:\n");
+            PyErr_Display(exception, v, tb);
+            Py_DECREF(exception2);
+            Py_DECREF(v2);
+            Py_XDECREF(tb2);
+        }
+        Py_XDECREF(result);
+        Py_XDECREF(args);
+    } else {
+        PySys_WriteStderr("sys.excepthook is missing\n");
+        PyErr_Display(exception, v, tb);
+    }
+    Py_XDECREF(exception);
+    Py_XDECREF(v);
+    Py_XDECREF(tb);
 }
 
 void
 PyErr_Display(PyObject *exception, PyObject *value, PyObject *tb)
 {
-	int err = 0;
-	PyObject *f = PySys_GetObject("stderr");
-	Py_INCREF(value);
-	if (f == NULL)
-		fprintf(stderr, "lost sys.stderr\n");
-	else {
-		if (Py_FlushLine())
-			PyErr_Clear();
-		fflush(stdout);
-		if (tb && tb != Py_None)
-			err = PyTraceBack_Print(tb, f);
-		if (err == 0 &&
-		    PyObject_HasAttrString(value, "print_file_and_line"))
-		{
-			PyObject *message;
-			const char *filename, *text;
-			int lineno, offset;
-			if (!parse_syntax_error(value, &message, &filename,
-						&lineno, &offset, &text))
-				PyErr_Clear();
-			else {
-				char buf[10];
-				PyFile_WriteString("  File \"", f);
-				if (filename == NULL)
-					PyFile_WriteString("<string>", f);
-				else
-					PyFile_WriteString(filename, f);
-				PyFile_WriteString("\", line ", f);
-				PyOS_snprintf(buf, sizeof(buf), "%d", lineno);
-				PyFile_WriteString(buf, f);
-				PyFile_WriteString("\n", f);
-				if (text != NULL)
-					print_error_text(f, offset, text);
-				Py_DECREF(value);
-				value = message;
-				/* Can't be bothered to check all those
-				   PyFile_WriteString() calls */
-				if (PyErr_Occurred())
-					err = -1;
-			}
-		}
-		if (err) {
-			/* Don't do anything else */
-		}
-		else if (PyExceptionClass_Check(exception)) {
-			PyObject* moduleName;
-			char* className = PyExceptionClass_Name(exception);
-			if (className != NULL) {
-				char *dot = strrchr(className, '.');
-				if (dot != NULL)
-					className = dot+1;
-			}
+    int err = 0;
+    PyObject *f = PySys_GetObject("stderr");
+    Py_INCREF(value);
+    if (f == NULL)
+        fprintf(stderr, "lost sys.stderr\n");
+    else {
+        if (Py_FlushLine())
+            PyErr_Clear();
+        fflush(stdout);
+        if (tb && tb != Py_None)
+            err = PyTraceBack_Print(tb, f);
+        if (err == 0 &&
+            PyObject_HasAttrString(value, "print_file_and_line"))
+        {
+            PyObject *message;
+            const char *filename, *text;
+            int lineno, offset;
+            if (!parse_syntax_error(value, &message, &filename,
+                                    &lineno, &offset, &text))
+                PyErr_Clear();
+            else {
+                char buf[10];
+                PyFile_WriteString("  File \"", f);
+                if (filename == NULL)
+                    PyFile_WriteString("<string>", f);
+                else
+                    PyFile_WriteString(filename, f);
+                PyFile_WriteString("\", line ", f);
+                PyOS_snprintf(buf, sizeof(buf), "%d", lineno);
+                PyFile_WriteString(buf, f);
+                PyFile_WriteString("\n", f);
+                if (text != NULL)
+                    print_error_text(f, offset, text);
+                Py_DECREF(value);
+                value = message;
+                /* Can't be bothered to check all those
+                   PyFile_WriteString() calls */
+                if (PyErr_Occurred())
+                    err = -1;
+            }
+        }
+        if (err) {
+            /* Don't do anything else */
+        }
+        else if (PyExceptionClass_Check(exception)) {
+            PyObject* moduleName;
+            char* className = PyExceptionClass_Name(exception);
+            if (className != NULL) {
+                char *dot = strrchr(className, '.');
+                if (dot != NULL)
+                    className = dot+1;
+            }
 
-			moduleName = PyObject_GetAttrString(exception, "__module__");
-			if (moduleName == NULL)
-				err = PyFile_WriteString("<unknown>", f);
-			else {
-				char* modstr = PyString_AsString(moduleName);
-				if (modstr && strcmp(modstr, "exceptions"))
-				{
-					err = PyFile_WriteString(modstr, f);
-					err += PyFile_WriteString(".", f);
-				}
-				Py_DECREF(moduleName);
-			}
-			if (err == 0) {
-				if (className == NULL)
-				      err = PyFile_WriteString("<unknown>", f);
-				else
-				      err = PyFile_WriteString(className, f);
-			}
-		}
-		else
-			err = PyFile_WriteObject(exception, f, Py_PRINT_RAW);
-		if (err == 0 && (value != Py_None)) {
-			PyObject *s = PyObject_Str(value);
-			/* only print colon if the str() of the
-			   object is not the empty string
-			*/
-			if (s == NULL)
-				err = -1;
-			else if (!PyString_Check(s) ||
-				 PyString_GET_SIZE(s) != 0)
-				err = PyFile_WriteString(": ", f);
-			if (err == 0)
-			  err = PyFile_WriteObject(s, f, Py_PRINT_RAW);
-			Py_XDECREF(s);
-		}
-		/* try to write a newline in any case */
-		err += PyFile_WriteString("\n", f);
-	}
-	Py_DECREF(value);
-	/* If an error happened here, don't show it.
-	   XXX This is wrong, but too many callers rely on this behavior. */
-	if (err != 0)
-		PyErr_Clear();
+            moduleName = PyObject_GetAttrString(exception, "__module__");
+            if (moduleName == NULL)
+                err = PyFile_WriteString("<unknown>", f);
+            else {
+                char* modstr = PyString_AsString(moduleName);
+                if (modstr && strcmp(modstr, "exceptions"))
+                {
+                    err = PyFile_WriteString(modstr, f);
+                    err += PyFile_WriteString(".", f);
+                }
+                Py_DECREF(moduleName);
+            }
+            if (err == 0) {
+                if (className == NULL)
+                      err = PyFile_WriteString("<unknown>", f);
+                else
+                      err = PyFile_WriteString(className, f);
+            }
+        }
+        else
+            err = PyFile_WriteObject(exception, f, Py_PRINT_RAW);
+        if (err == 0 && (value != Py_None)) {
+            PyObject *s = PyObject_Str(value);
+            /* only print colon if the str() of the
+               object is not the empty string
+            */
+            if (s == NULL)
+                err = -1;
+            else if (!PyString_Check(s) ||
+                     PyString_GET_SIZE(s) != 0)
+                err = PyFile_WriteString(": ", f);
+            if (err == 0)
+              err = PyFile_WriteObject(s, f, Py_PRINT_RAW);
+            Py_XDECREF(s);
+        }
+        /* try to write a newline in any case */
+        err += PyFile_WriteString("\n", f);
+    }
+    Py_DECREF(value);
+    /* If an error happened here, don't show it.
+       XXX This is wrong, but too many callers rely on this behavior. */
+    if (err != 0)
+        PyErr_Clear();
 }
 
 PyObject *
 PyRun_StringFlags(const char *str, int start, PyObject *globals,
-		  PyObject *locals, PyCompilerFlags *flags)
+                  PyObject *locals, PyCompilerFlags *flags)
 {
-	PyObject *ret = NULL;
-	mod_ty mod;
-	PyArena *arena = PyArena_New();
-	if (arena == NULL)
-		return NULL;
+    PyObject *ret = NULL;
+    mod_ty mod;
+    PyArena *arena = PyArena_New();
+    if (arena == NULL)
+        return NULL;
 
-	mod = PyParser_ASTFromString(str, "<string>", start, flags, arena);
-	if (mod != NULL)
-		ret = run_mod(mod, "<string>", globals, locals, flags, arena);
-	PyArena_Free(arena);
-	return ret;
+    mod = PyParser_ASTFromString(str, "<string>", start, flags, arena);
+    if (mod != NULL)
+        ret = run_mod(mod, "<string>", globals, locals, flags, arena);
+    PyArena_Free(arena);
+    return ret;
 }
 
 PyObject *
 PyRun_FileExFlags(FILE *fp, const char *filename, int start, PyObject *globals,
-		  PyObject *locals, int closeit, PyCompilerFlags *flags)
+                  PyObject *locals, int closeit, PyCompilerFlags *flags)
 {
-	PyObject *ret;
-	mod_ty mod;
-	PyArena *arena = PyArena_New();
-	if (arena == NULL)
-		return NULL;
+    PyObject *ret;
+    mod_ty mod;
+    PyArena *arena = PyArena_New();
+    if (arena == NULL)
+        return NULL;
 
-	mod = PyParser_ASTFromFile(fp, filename, start, 0, 0,
-				   flags, NULL, arena);
-	if (closeit)
-		fclose(fp);
-	if (mod == NULL) {
-		PyArena_Free(arena);
-		return NULL;
-	}
-	ret = run_mod(mod, filename, globals, locals, flags, arena);
-	PyArena_Free(arena);
-	return ret;
+    mod = PyParser_ASTFromFile(fp, filename, start, 0, 0,
+                               flags, NULL, arena);
+    if (closeit)
+        fclose(fp);
+    if (mod == NULL) {
+        PyArena_Free(arena);
+        return NULL;
+    }
+    ret = run_mod(mod, filename, globals, locals, flags, arena);
+    PyArena_Free(arena);
+    return ret;
 }
 
 static PyObject *
 run_mod(mod_ty mod, const char *filename, PyObject *globals, PyObject *locals,
-	 PyCompilerFlags *flags, PyArena *arena)
+         PyCompilerFlags *flags, PyArena *arena)
 {
-	PyCodeObject *co;
-	PyObject *v;
-	co = PyAST_Compile(mod, filename, flags, arena);
-	if (co == NULL)
-		return NULL;
-	v = PyEval_EvalCode(co, globals, locals);
-	Py_DECREF(co);
-	return v;
+    PyCodeObject *co;
+    PyObject *v;
+    co = PyAST_Compile(mod, filename, flags, arena);
+    if (co == NULL)
+        return NULL;
+    v = PyEval_EvalCode(co, globals, locals);
+    Py_DECREF(co);
+    return v;
 }
 
 static PyObject *
 run_pyc_file(FILE *fp, const char *filename, PyObject *globals,
-	     PyObject *locals, PyCompilerFlags *flags)
+             PyObject *locals, PyCompilerFlags *flags)
 {
-	PyCodeObject *co;
-	PyObject *v;
-	long magic;
-	long PyImport_GetMagicNumber(void);
+    PyCodeObject *co;
+    PyObject *v;
+    long magic;
+    long PyImport_GetMagicNumber(void);
 
-	magic = PyMarshal_ReadLongFromFile(fp);
-	if (magic != PyImport_GetMagicNumber()) {
-		PyErr_SetString(PyExc_RuntimeError,
-			   "Bad magic number in .pyc file");
-		return NULL;
-	}
-	(void) PyMarshal_ReadLongFromFile(fp);
-	v = PyMarshal_ReadLastObjectFromFile(fp);
-	fclose(fp);
-	if (v == NULL || !PyCode_Check(v)) {
-		Py_XDECREF(v);
-		PyErr_SetString(PyExc_RuntimeError,
-			   "Bad code object in .pyc file");
-		return NULL;
-	}
-	co = (PyCodeObject *)v;
-	v = PyEval_EvalCode(co, globals, locals);
-	if (v && flags)
-		flags->cf_flags |= (co->co_flags & PyCF_MASK);
-	Py_DECREF(co);
-	return v;
+    magic = PyMarshal_ReadLongFromFile(fp);
+    if (magic != PyImport_GetMagicNumber()) {
+        PyErr_SetString(PyExc_RuntimeError,
+                   "Bad magic number in .pyc file");
+        return NULL;
+    }
+    (void) PyMarshal_ReadLongFromFile(fp);
+    v = PyMarshal_ReadLastObjectFromFile(fp);
+    fclose(fp);
+    if (v == NULL || !PyCode_Check(v)) {
+        Py_XDECREF(v);
+        PyErr_SetString(PyExc_RuntimeError,
+                   "Bad code object in .pyc file");
+        return NULL;
+    }
+    co = (PyCodeObject *)v;
+    v = PyEval_EvalCode(co, globals, locals);
+    if (v && flags)
+        flags->cf_flags |= (co->co_flags & PyCF_MASK);
+    Py_DECREF(co);
+    return v;
 }
 
 PyObject *
 Py_CompileStringFlags(const char *str, const char *filename, int start,
-		      PyCompilerFlags *flags)
+                      PyCompilerFlags *flags)
 {
-	PyCodeObject *co;
-	mod_ty mod;
-	PyArena *arena = PyArena_New();
-	if (arena == NULL)
-		return NULL;
+    PyCodeObject *co;
+    mod_ty mod;
+    PyArena *arena = PyArena_New();
+    if (arena == NULL)
+        return NULL;
 
-	mod = PyParser_ASTFromString(str, filename, start, flags, arena);
-	if (mod == NULL) {
-		PyArena_Free(arena);
-		return NULL;
-	}
-	if (flags && (flags->cf_flags & PyCF_ONLY_AST)) {
-		PyObject *result = PyAST_mod2obj(mod);
-		PyArena_Free(arena);
-		return result;
-	}
-	co = PyAST_Compile(mod, filename, flags, arena);
-	PyArena_Free(arena);
-	return (PyObject *)co;
+    mod = PyParser_ASTFromString(str, filename, start, flags, arena);
+    if (mod == NULL) {
+        PyArena_Free(arena);
+        return NULL;
+    }
+    if (flags && (flags->cf_flags & PyCF_ONLY_AST)) {
+        PyObject *result = PyAST_mod2obj(mod);
+        PyArena_Free(arena);
+        return result;
+    }
+    co = PyAST_Compile(mod, filename, flags, arena);
+    PyArena_Free(arena);
+    return (PyObject *)co;
 }
 
 struct symtable *
 Py_SymtableString(const char *str, const char *filename, int start)
 {
-	struct symtable *st;
-	mod_ty mod;
-	PyCompilerFlags flags;
-	PyArena *arena = PyArena_New();
-	if (arena == NULL)
-		return NULL;
+    struct symtable *st;
+    mod_ty mod;
+    PyCompilerFlags flags;
+    PyArena *arena = PyArena_New();
+    if (arena == NULL)
+        return NULL;
 
-	flags.cf_flags = 0;
+    flags.cf_flags = 0;
 
-	mod = PyParser_ASTFromString(str, filename, start, &flags, arena);
-	if (mod == NULL) {
-		PyArena_Free(arena);
-		return NULL;
-	}
-	st = PySymtable_Build(mod, filename, 0);
-	PyArena_Free(arena);
-	return st;
+    mod = PyParser_ASTFromString(str, filename, start, &flags, arena);
+    if (mod == NULL) {
+        PyArena_Free(arena);
+        return NULL;
+    }
+    st = PySymtable_Build(mod, filename, 0);
+    PyArena_Free(arena);
+    return st;
 }
 
 /* Preferred access to parser is through AST. */
 mod_ty
 PyParser_ASTFromString(const char *s, const char *filename, int start,
-		       PyCompilerFlags *flags, PyArena *arena)
+                       PyCompilerFlags *flags, PyArena *arena)
 {
-	mod_ty mod;
-	PyCompilerFlags localflags;
-	perrdetail err;
-	int iflags = PARSER_FLAGS(flags);
+    mod_ty mod;
+    PyCompilerFlags localflags;
+    perrdetail err;
+    int iflags = PARSER_FLAGS(flags);
 
-	node *n = PyParser_ParseStringFlagsFilenameEx(s, filename,
-					&_PyParser_Grammar, start, &err,
-					&iflags);
-	if (flags == NULL) {
-		localflags.cf_flags = 0;
-		flags = &localflags;
-	}
-	if (n) {
-		flags->cf_flags |= iflags & PyCF_MASK;
-		mod = PyAST_FromNode(n, flags, filename, arena);
-		PyNode_Free(n);
-		return mod;
-	}
-	else {
-		err_input(&err);
-		return NULL;
-	}
+    node *n = PyParser_ParseStringFlagsFilenameEx(s, filename,
+                                    &_PyParser_Grammar, start, &err,
+                                    &iflags);
+    if (flags == NULL) {
+        localflags.cf_flags = 0;
+        flags = &localflags;
+    }
+    if (n) {
+        flags->cf_flags |= iflags & PyCF_MASK;
+        mod = PyAST_FromNode(n, flags, filename, arena);
+        PyNode_Free(n);
+        return mod;
+    }
+    else {
+        err_input(&err);
+        return NULL;
+    }
 }
 
 mod_ty
 PyParser_ASTFromFile(FILE *fp, const char *filename, int start, char *ps1,
-		     char *ps2, PyCompilerFlags *flags, int *errcode,
-		     PyArena *arena)
+                     char *ps2, PyCompilerFlags *flags, int *errcode,
+                     PyArena *arena)
 {
-	mod_ty mod;
-	PyCompilerFlags localflags;
-	perrdetail err;
-	int iflags = PARSER_FLAGS(flags);
+    mod_ty mod;
+    PyCompilerFlags localflags;
+    perrdetail err;
+    int iflags = PARSER_FLAGS(flags);
 
-	node *n = PyParser_ParseFileFlagsEx(fp, filename, &_PyParser_Grammar,
-				start, ps1, ps2, &err, &iflags);
-	if (flags == NULL) {
-		localflags.cf_flags = 0;
-		flags = &localflags;
-	}
-	if (n) {
-		flags->cf_flags |= iflags & PyCF_MASK;
-		mod = PyAST_FromNode(n, flags, filename, arena);
-		PyNode_Free(n);
-		return mod;
-	}
-	else {
-		err_input(&err);
-		if (errcode)
-			*errcode = err.error;
-		return NULL;
-	}
+    node *n = PyParser_ParseFileFlagsEx(fp, filename, &_PyParser_Grammar,
+                            start, ps1, ps2, &err, &iflags);
+    if (flags == NULL) {
+        localflags.cf_flags = 0;
+        flags = &localflags;
+    }
+    if (n) {
+        flags->cf_flags |= iflags & PyCF_MASK;
+        mod = PyAST_FromNode(n, flags, filename, arena);
+        PyNode_Free(n);
+        return mod;
+    }
+    else {
+        err_input(&err);
+        if (errcode)
+            *errcode = err.error;
+        return NULL;
+    }
 }
 
 /* Simplified interface to parsefile -- return node or set exception */
@@ -1485,13 +1485,13 @@
 node *
 PyParser_SimpleParseFileFlags(FILE *fp, const char *filename, int start, int flags)
 {
-	perrdetail err;
-	node *n = PyParser_ParseFileFlags(fp, filename, &_PyParser_Grammar,
-					  start, NULL, NULL, &err, flags);
-	if (n == NULL)
-		err_input(&err);
+    perrdetail err;
+    node *n = PyParser_ParseFileFlags(fp, filename, &_PyParser_Grammar,
+                                      start, NULL, NULL, &err, flags);
+    if (n == NULL)
+        err_input(&err);
 
-	return n;
+    return n;
 }
 
 /* Simplified interface to parsestring -- return node or set exception */
@@ -1499,30 +1499,30 @@
 node *
 PyParser_SimpleParseStringFlags(const char *str, int start, int flags)
 {
-	perrdetail err;
-	node *n = PyParser_ParseStringFlags(str, &_PyParser_Grammar,
-					    start, &err, flags);
-	if (n == NULL)
-		err_input(&err);
-	return n;
+    perrdetail err;
+    node *n = PyParser_ParseStringFlags(str, &_PyParser_Grammar,
+                                        start, &err, flags);
+    if (n == NULL)
+        err_input(&err);
+    return n;
 }
 
 node *
 PyParser_SimpleParseStringFlagsFilename(const char *str, const char *filename,
-					int start, int flags)
+                                        int start, int flags)
 {
-	perrdetail err;
-	node *n = PyParser_ParseStringFlagsFilename(str, filename,
-				&_PyParser_Grammar, start, &err, flags);
-	if (n == NULL)
-		err_input(&err);
-	return n;
+    perrdetail err;
+    node *n = PyParser_ParseStringFlagsFilename(str, filename,
+                            &_PyParser_Grammar, start, &err, flags);
+    if (n == NULL)
+        err_input(&err);
+    return n;
 }
 
 node *
 PyParser_SimpleParseStringFilename(const char *str, const char *filename, int start)
 {
-	return PyParser_SimpleParseStringFlagsFilename(str, filename, start, 0);
+    return PyParser_SimpleParseStringFlagsFilename(str, filename, start, 0);
 }
 
 /* May want to move a more generalized form of this to parsetok.c or
@@ -1531,7 +1531,7 @@
 void
 PyParser_SetError(perrdetail *err)
 {
-	err_input(err);
+    err_input(err);
 }
 
 /* Set the error appropriate to the given input error code (see errcode.h) */
@@ -1539,98 +1539,98 @@
 static void
 err_input(perrdetail *err)
 {
-	PyObject *v, *w, *errtype;
-	PyObject* u = NULL;
-	char *msg = NULL;
-	errtype = PyExc_SyntaxError;
-	switch (err->error) {
-	case E_ERROR:
-		return;
-	case E_SYNTAX:
-		errtype = PyExc_IndentationError;
-		if (err->expected == INDENT)
-			msg = "expected an indented block";
-		else if (err->token == INDENT)
-			msg = "unexpected indent";
-		else if (err->token == DEDENT)
-			msg = "unexpected unindent";
-		else {
-			errtype = PyExc_SyntaxError;
-			msg = "invalid syntax";
-		}
-		break;
-	case E_TOKEN:
-		msg = "invalid token";
-		break;
-	case E_EOFS:
-		msg = "EOF while scanning triple-quoted string literal";
-		break;
-	case E_EOLS:
-		msg = "EOL while scanning string literal";
-		break;
-	case E_INTR:
-		if (!PyErr_Occurred())
-			PyErr_SetNone(PyExc_KeyboardInterrupt);
-		goto cleanup;
-	case E_NOMEM:
-		PyErr_NoMemory();
-		goto cleanup;
-	case E_EOF:
-		msg = "unexpected EOF while parsing";
-		break;
-	case E_TABSPACE:
-		errtype = PyExc_TabError;
-		msg = "inconsistent use of tabs and spaces in indentation";
-		break;
-	case E_OVERFLOW:
-		msg = "expression too long";
-		break;
-	case E_DEDENT:
-		errtype = PyExc_IndentationError;
-		msg = "unindent does not match any outer indentation level";
-		break;
-	case E_TOODEEP:
-		errtype = PyExc_IndentationError;
-		msg = "too many levels of indentation";
-		break;
-	case E_DECODE: {
-		PyObject *type, *value, *tb;
-		PyErr_Fetch(&type, &value, &tb);
-		if (value != NULL) {
-			u = PyObject_Str(value);
-			if (u != NULL) {
-				msg = PyString_AsString(u);
-			}
-		}
-		if (msg == NULL)
-			msg = "unknown decode error";
-		Py_XDECREF(type);
-		Py_XDECREF(value);
-		Py_XDECREF(tb);
-		break;
-	}
-	case E_LINECONT:
-		msg = "unexpected character after line continuation character";
-		break;
-	default:
-		fprintf(stderr, "error=%d\n", err->error);
-		msg = "unknown parsing error";
-		break;
-	}
-	v = Py_BuildValue("(ziiz)", err->filename,
-			  err->lineno, err->offset, err->text);
-	w = NULL;
-	if (v != NULL)
-		w = Py_BuildValue("(sO)", msg, v);
-	Py_XDECREF(u);
-	Py_XDECREF(v);
-	PyErr_SetObject(errtype, w);
-	Py_XDECREF(w);
+    PyObject *v, *w, *errtype;
+    PyObject* u = NULL;
+    char *msg = NULL;
+    errtype = PyExc_SyntaxError;
+    switch (err->error) {
+    case E_ERROR:
+        return;
+    case E_SYNTAX:
+        errtype = PyExc_IndentationError;
+        if (err->expected == INDENT)
+            msg = "expected an indented block";
+        else if (err->token == INDENT)
+            msg = "unexpected indent";
+        else if (err->token == DEDENT)
+            msg = "unexpected unindent";
+        else {
+            errtype = PyExc_SyntaxError;
+            msg = "invalid syntax";
+        }
+        break;
+    case E_TOKEN:
+        msg = "invalid token";
+        break;
+    case E_EOFS:
+        msg = "EOF while scanning triple-quoted string literal";
+        break;
+    case E_EOLS:
+        msg = "EOL while scanning string literal";
+        break;
+    case E_INTR:
+        if (!PyErr_Occurred())
+            PyErr_SetNone(PyExc_KeyboardInterrupt);
+        goto cleanup;
+    case E_NOMEM:
+        PyErr_NoMemory();
+        goto cleanup;
+    case E_EOF:
+        msg = "unexpected EOF while parsing";
+        break;
+    case E_TABSPACE:
+        errtype = PyExc_TabError;
+        msg = "inconsistent use of tabs and spaces in indentation";
+        break;
+    case E_OVERFLOW:
+        msg = "expression too long";
+        break;
+    case E_DEDENT:
+        errtype = PyExc_IndentationError;
+        msg = "unindent does not match any outer indentation level";
+        break;
+    case E_TOODEEP:
+        errtype = PyExc_IndentationError;
+        msg = "too many levels of indentation";
+        break;
+    case E_DECODE: {
+        PyObject *type, *value, *tb;
+        PyErr_Fetch(&type, &value, &tb);
+        if (value != NULL) {
+            u = PyObject_Str(value);
+            if (u != NULL) {
+                msg = PyString_AsString(u);
+            }
+        }
+        if (msg == NULL)
+            msg = "unknown decode error";
+        Py_XDECREF(type);
+        Py_XDECREF(value);
+        Py_XDECREF(tb);
+        break;
+    }
+    case E_LINECONT:
+        msg = "unexpected character after line continuation character";
+        break;
+    default:
+        fprintf(stderr, "error=%d\n", err->error);
+        msg = "unknown parsing error";
+        break;
+    }
+    v = Py_BuildValue("(ziiz)", err->filename,
+                      err->lineno, err->offset, err->text);
+    w = NULL;
+    if (v != NULL)
+        w = Py_BuildValue("(sO)", msg, v);
+    Py_XDECREF(u);
+    Py_XDECREF(v);
+    PyErr_SetObject(errtype, w);
+    Py_XDECREF(w);
 cleanup:
-	if (err->text != NULL) {
-		PyObject_FREE(err->text);
-		err->text = NULL;
-	}
+    if (err->text != NULL) {
+        PyObject_FREE(err->text);
+        err->text = NULL;
+    }
 }
 
 /* Print fatal error message and abort */
@@ -1638,30 +1638,30 @@
 void
 Py_FatalError(const char *msg)
 {
-	fprintf(stderr, "Fatal Python error: %s\n", msg);
-	fflush(stderr); /* it helps in Windows debug build */
+    fprintf(stderr, "Fatal Python error: %s\n", msg);
+    fflush(stderr); /* it helps in Windows debug build */
 
 #ifdef MS_WINDOWS
-	{
-		size_t len = strlen(msg);
-		WCHAR* buffer;
-		size_t i;
+    {
+        size_t len = strlen(msg);
+        WCHAR* buffer;
+        size_t i;
 
-		/* Convert the message to wchar_t. This uses a simple one-to-one
-		conversion, assuming that the this error message actually uses ASCII
-		only. If this ceases to be true, we will have to convert. */
-		buffer = alloca( (len+1) * (sizeof *buffer));
-		for( i=0; i<=len; ++i)
-			buffer[i] = msg[i];
-		OutputDebugStringW(L"Fatal Python error: ");
-		OutputDebugStringW(buffer);
-		OutputDebugStringW(L"\n");
-	}
+        /* Convert the message to wchar_t. This uses a simple one-to-one
+        conversion, assuming that the this error message actually uses ASCII
+        only. If this ceases to be true, we will have to convert. */
+        buffer = alloca( (len+1) * (sizeof *buffer));
+        for( i=0; i<=len; ++i)
+            buffer[i] = msg[i];
+        OutputDebugStringW(L"Fatal Python error: ");
+        OutputDebugStringW(buffer);
+        OutputDebugStringW(L"\n");
+    }
 #ifdef _DEBUG
-	DebugBreak();
+    DebugBreak();
 #endif
 #endif /* MS_WINDOWS */
-	abort();
+    abort();
 }
 
 /* Clean up and exit */
@@ -1678,21 +1678,21 @@
 wait_for_thread_shutdown(void)
 {
 #ifdef WITH_THREAD
-	PyObject *result;
-	PyThreadState *tstate = PyThreadState_GET();
-	PyObject *threading = PyMapping_GetItemString(tstate->interp->modules,
-						      "threading");
-	if (threading == NULL) {
-		/* threading not imported */
-		PyErr_Clear();
-		return;
-	}
-	result = PyObject_CallMethod(threading, "_shutdown", "");
-	if (result == NULL)
-		PyErr_WriteUnraisable(threading);
-	else
-		Py_DECREF(result);
-	Py_DECREF(threading);
+    PyObject *result;
+    PyThreadState *tstate = PyThreadState_GET();
+    PyObject *threading = PyMapping_GetItemString(tstate->interp->modules,
+                                                  "threading");
+    if (threading == NULL) {
+        /* threading not imported */
+        PyErr_Clear();
+        return;
+    }
+    result = PyObject_CallMethod(threading, "_shutdown", "");
+    if (result == NULL)
+        PyErr_WriteUnraisable(threading);
+    else
+        Py_DECREF(result);
+    Py_DECREF(threading);
 #endif
 }
 
@@ -1702,66 +1702,66 @@
 
 int Py_AtExit(void (*func)(void))
 {
-	if (nexitfuncs >= NEXITFUNCS)
-		return -1;
-	exitfuncs[nexitfuncs++] = func;
-	return 0;
+    if (nexitfuncs >= NEXITFUNCS)
+        return -1;
+    exitfuncs[nexitfuncs++] = func;
+    return 0;
 }
 
 static void
 call_sys_exitfunc(void)
 {
-	PyObject *exitfunc = PySys_GetObject("exitfunc");
+    PyObject *exitfunc = PySys_GetObject("exitfunc");
 
-	if (exitfunc) {
-		PyObject *res;
-		Py_INCREF(exitfunc);
-		PySys_SetObject("exitfunc", (PyObject *)NULL);
-		res = PyEval_CallObject(exitfunc, (PyObject *)NULL);
-		if (res == NULL) {
-			if (!PyErr_ExceptionMatches(PyExc_SystemExit)) {
-				PySys_WriteStderr("Error in sys.exitfunc:\n");
-			}
-			PyErr_Print();
-		}
-		Py_DECREF(exitfunc);
-	}
+    if (exitfunc) {
+        PyObject *res;
+        Py_INCREF(exitfunc);
+        PySys_SetObject("exitfunc", (PyObject *)NULL);
+        res = PyEval_CallObject(exitfunc, (PyObject *)NULL);
+        if (res == NULL) {
+            if (!PyErr_ExceptionMatches(PyExc_SystemExit)) {
+                PySys_WriteStderr("Error in sys.exitfunc:\n");
+            }
+            PyErr_Print();
+        }
+        Py_DECREF(exitfunc);
+    }
 
-	if (Py_FlushLine())
-		PyErr_Clear();
+    if (Py_FlushLine())
+        PyErr_Clear();
 }
 
 static void
 call_ll_exitfuncs(void)
 {
-	while (nexitfuncs > 0)
-		(*exitfuncs[--nexitfuncs])();
+    while (nexitfuncs > 0)
+        (*exitfuncs[--nexitfuncs])();
 
-	fflush(stdout);
-	fflush(stderr);
+    fflush(stdout);
+    fflush(stderr);
 }
 
 void
 Py_Exit(int sts)
 {
-	Py_Finalize();
+    Py_Finalize();
 
-	exit(sts);
+    exit(sts);
 }
 
 static void
 initsigs(void)
 {
 #ifdef SIGPIPE
-	PyOS_setsig(SIGPIPE, SIG_IGN);
+    PyOS_setsig(SIGPIPE, SIG_IGN);
 #endif
 #ifdef SIGXFZ
-	PyOS_setsig(SIGXFZ, SIG_IGN);
+    PyOS_setsig(SIGXFZ, SIG_IGN);
 #endif
 #ifdef SIGXFSZ
-	PyOS_setsig(SIGXFSZ, SIG_IGN);
+    PyOS_setsig(SIGXFSZ, SIG_IGN);
 #endif
-	PyOS_InitInterrupts(); /* May imply initsignal() */
+    PyOS_InitInterrupts(); /* May imply initsignal() */
 }
 
 
@@ -1774,13 +1774,13 @@
 int
 Py_FdIsInteractive(FILE *fp, const char *filename)
 {
-	if (isatty((int)fileno(fp)))
-		return 1;
-	if (!Py_InteractiveFlag)
-		return 0;
-	return (filename == NULL) ||
-	       (strcmp(filename, "<stdin>") == 0) ||
-	       (strcmp(filename, "???") == 0);
+    if (isatty((int)fileno(fp)))
+        return 1;
+    if (!Py_InteractiveFlag)
+        return 0;
+    return (filename == NULL) ||
+           (strcmp(filename, "<stdin>") == 0) ||
+           (strcmp(filename, "???") == 0);
 }
 
 
@@ -1798,21 +1798,21 @@
 int
 PyOS_CheckStack(void)
 {
-	__try {
-		/* alloca throws a stack overflow exception if there's
-		   not enough space left on the stack */
-		alloca(PYOS_STACK_MARGIN * sizeof(void*));
-		return 0;
-	} __except (GetExceptionCode() == STATUS_STACK_OVERFLOW ?
-		        EXCEPTION_EXECUTE_HANDLER :
-		        EXCEPTION_CONTINUE_SEARCH) {
-		int errcode = _resetstkoflw();
-		if (errcode == 0)
-		{
-			Py_FatalError("Could not reset the stack!");
-		}
-	}
-	return 1;
+    __try {
+        /* alloca throws a stack overflow exception if there's
+           not enough space left on the stack */
+        alloca(PYOS_STACK_MARGIN * sizeof(void*));
+        return 0;
+    } __except (GetExceptionCode() == STATUS_STACK_OVERFLOW ?
+                    EXCEPTION_EXECUTE_HANDLER :
+            EXCEPTION_CONTINUE_SEARCH) {
+        int errcode = _resetstkoflw();
+        if (errcode == 0)
+        {
+            Py_FatalError("Could not reset the stack!");
+        }
+    }
+    return 1;
 }
 
 #endif /* WIN32 && _MSC_VER */
@@ -1828,33 +1828,33 @@
 PyOS_getsig(int sig)
 {
 #ifdef HAVE_SIGACTION
-	struct sigaction context;
-	if (sigaction(sig, NULL, &context) == -1)
-		return SIG_ERR;
-	return context.sa_handler;
+    struct sigaction context;
+    if (sigaction(sig, NULL, &context) == -1)
+        return SIG_ERR;
+    return context.sa_handler;
 #else
-	PyOS_sighandler_t handler;
+    PyOS_sighandler_t handler;
 /* Special signal handling for the secure CRT in Visual Studio 2005 */
 #if defined(_MSC_VER) && _MSC_VER >= 1400
-	switch (sig) {
-	/* Only these signals are valid */
-	case SIGINT:
-	case SIGILL:
-	case SIGFPE:
-	case SIGSEGV:
-	case SIGTERM:
-	case SIGBREAK:
-	case SIGABRT:
-		break;
-	/* Don't call signal() with other values or it will assert */
-	default:
-		return SIG_ERR;
-	}
+    switch (sig) {
+    /* Only these signals are valid */
+    case SIGINT:
+    case SIGILL:
+    case SIGFPE:
+    case SIGSEGV:
+    case SIGTERM:
+    case SIGBREAK:
+    case SIGABRT:
+        break;
+    /* Don't call signal() with other values or it will assert */
+    default:
+        return SIG_ERR;
+    }
 #endif /* _MSC_VER && _MSC_VER >= 1400 */
-	handler = signal(sig, SIG_IGN);
-	if (handler != SIG_ERR)
-		signal(sig, handler);
-	return handler;
+    handler = signal(sig, SIG_IGN);
+    if (handler != SIG_ERR)
+        signal(sig, handler);
+    return handler;
 #endif
 }
 
@@ -1862,24 +1862,24 @@
 PyOS_setsig(int sig, PyOS_sighandler_t handler)
 {
 #ifdef HAVE_SIGACTION
-	/* Some code in Modules/signalmodule.c depends on sigaction() being
-	 * used here if HAVE_SIGACTION is defined.  Fix that if this code
-	 * changes to invalidate that assumption.
-	 */
-	struct sigaction context, ocontext;
-	context.sa_handler = handler;
-	sigemptyset(&context.sa_mask);
-	context.sa_flags = 0;
-	if (sigaction(sig, &context, &ocontext) == -1)
-		return SIG_ERR;
-	return ocontext.sa_handler;
+    /* Some code in Modules/signalmodule.c depends on sigaction() being
+     * used here if HAVE_SIGACTION is defined.  Fix that if this code
+     * changes to invalidate that assumption.
+     */
+    struct sigaction context, ocontext;
+    context.sa_handler = handler;
+    sigemptyset(&context.sa_mask);
+    context.sa_flags = 0;
+    if (sigaction(sig, &context, &ocontext) == -1)
+        return SIG_ERR;
+    return ocontext.sa_handler;
 #else
-	PyOS_sighandler_t oldhandler;
-	oldhandler = signal(sig, handler);
+    PyOS_sighandler_t oldhandler;
+    oldhandler = signal(sig, handler);
 #ifdef HAVE_SIGINTERRUPT
-	siginterrupt(sig, 1);
+    siginterrupt(sig, 1);
 #endif
-	return oldhandler;
+    return oldhandler;
 #endif
 }
 
@@ -1889,71 +1889,71 @@
 PyAPI_FUNC(node *)
 PyParser_SimpleParseFile(FILE *fp, const char *filename, int start)
 {
-	return PyParser_SimpleParseFileFlags(fp, filename, start, 0);
+    return PyParser_SimpleParseFileFlags(fp, filename, start, 0);
 }
 
 #undef PyParser_SimpleParseString
 PyAPI_FUNC(node *)
 PyParser_SimpleParseString(const char *str, int start)
 {
-	return PyParser_SimpleParseStringFlags(str, start, 0);
+    return PyParser_SimpleParseStringFlags(str, start, 0);
 }
 
 #undef PyRun_AnyFile
 PyAPI_FUNC(int)
 PyRun_AnyFile(FILE *fp, const char *name)
 {
-	return PyRun_AnyFileExFlags(fp, name, 0, NULL);
+    return PyRun_AnyFileExFlags(fp, name, 0, NULL);
 }
 
 #undef PyRun_AnyFileEx
 PyAPI_FUNC(int)
 PyRun_AnyFileEx(FILE *fp, const char *name, int closeit)
 {
-	return PyRun_AnyFileExFlags(fp, name, closeit, NULL);
+    return PyRun_AnyFileExFlags(fp, name, closeit, NULL);
 }
 
 #undef PyRun_AnyFileFlags
 PyAPI_FUNC(int)
 PyRun_AnyFileFlags(FILE *fp, const char *name, PyCompilerFlags *flags)
 {
-	return PyRun_AnyFileExFlags(fp, name, 0, flags);
+    return PyRun_AnyFileExFlags(fp, name, 0, flags);
 }
 
 #undef PyRun_File
 PyAPI_FUNC(PyObject *)
 PyRun_File(FILE *fp, const char *p, int s, PyObject *g, PyObject *l)
 {
-	return PyRun_FileExFlags(fp, p, s, g, l, 0, NULL);
+    return PyRun_FileExFlags(fp, p, s, g, l, 0, NULL);
 }
 
 #undef PyRun_FileEx
 PyAPI_FUNC(PyObject *)
 PyRun_FileEx(FILE *fp, const char *p, int s, PyObject *g, PyObject *l, int c)
 {
-	return PyRun_FileExFlags(fp, p, s, g, l, c, NULL);
+    return PyRun_FileExFlags(fp, p, s, g, l, c, NULL);
 }
 
 #undef PyRun_FileFlags
 PyAPI_FUNC(PyObject *)
 PyRun_FileFlags(FILE *fp, const char *p, int s, PyObject *g, PyObject *l,
-		PyCompilerFlags *flags)
+                PyCompilerFlags *flags)
 {
-	return PyRun_FileExFlags(fp, p, s, g, l, 0, flags);
+    return PyRun_FileExFlags(fp, p, s, g, l, 0, flags);
 }
 
 #undef PyRun_SimpleFile
 PyAPI_FUNC(int)
 PyRun_SimpleFile(FILE *f, const char *p)
 {
-	return PyRun_SimpleFileExFlags(f, p, 0, NULL);
+    return PyRun_SimpleFileExFlags(f, p, 0, NULL);
 }
 
 #undef PyRun_SimpleFileEx
 PyAPI_FUNC(int)
 PyRun_SimpleFileEx(FILE *f, const char *p, int c)
 {
-	return PyRun_SimpleFileExFlags(f, p, c, NULL);
+    return PyRun_SimpleFileExFlags(f, p, c, NULL);
 }
 
 
@@ -1961,35 +1961,35 @@
 PyAPI_FUNC(PyObject *)
 PyRun_String(const char *str, int s, PyObject *g, PyObject *l)
 {
-	return PyRun_StringFlags(str, s, g, l, NULL);
+    return PyRun_StringFlags(str, s, g, l, NULL);
 }
 
 #undef PyRun_SimpleString
 PyAPI_FUNC(int)
 PyRun_SimpleString(const char *s)
 {
-	return PyRun_SimpleStringFlags(s, NULL);
+    return PyRun_SimpleStringFlags(s, NULL);
 }
 
 #undef Py_CompileString
 PyAPI_FUNC(PyObject *)
 Py_CompileString(const char *str, const char *p, int s)
 {
-	return Py_CompileStringFlags(str, p, s, NULL);
+    return Py_CompileStringFlags(str, p, s, NULL);
 }
 
 #undef PyRun_InteractiveOne
 PyAPI_FUNC(int)
 PyRun_InteractiveOne(FILE *f, const char *p)
 {
-	return PyRun_InteractiveOneFlags(f, p, NULL);
+    return PyRun_InteractiveOneFlags(f, p, NULL);
 }
 
 #undef PyRun_InteractiveLoop
 PyAPI_FUNC(int)
 PyRun_InteractiveLoop(FILE *f, const char *p)
 {
-	return PyRun_InteractiveLoopFlags(f, p, NULL);
+    return PyRun_InteractiveLoopFlags(f, p, NULL);
 }
 
 #ifdef __cplusplus