From 7d79b8b7714b5e7d8a0582a07b5625c280c879c0 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@haypocalc.com>
Date: Wed, 19 May 2010 20:40:50 +0000
Subject: Issue #8766: Initialize _warnings module before importing the first
 module. Fix a crash if an empty directory called "encodings" exists in
 sys.path.

---
 Python/_warnings.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Python/_warnings.c')

diff --git a/Python/_warnings.c b/Python/_warnings.c
index c49f3f3223..b1b2b71b8d 100644
--- a/Python/_warnings.c
+++ b/Python/_warnings.c
@@ -116,7 +116,7 @@ get_filter(PyObject *category, PyObject *text, Py_ssize_t lineno,
         _filters = warnings_filters;
     }
 
-    if (!PyList_Check(_filters)) {
+    if (_filters == NULL || !PyList_Check(_filters)) {
         PyErr_SetString(PyExc_ValueError,
                         MODULE_NAME ".filters must be a list");
         return NULL;
-- 
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