From bbabfdcccee9ccd98fc140233dee748253bcb4a2 Mon Sep 17 00:00:00 2001
From: Aymeric Augustin <aymeric.augustin@m4x.org>
Date: Mon, 17 Dec 2012 09:46:26 +0100
Subject: [PATCH] Fixed #19485 -- Python 3 compatibility for c2a6b2a4.

Refs #9589.
---
 django/utils/autoreload.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/django/utils/autoreload.py b/django/utils/autoreload.py
index f600f0611c..617fc9da7d 100644
--- a/django/utils/autoreload.py
+++ b/django/utils/autoreload.py
@@ -56,8 +56,13 @@ _error_files = []
 
 def code_changed():
     global _mtimes, _win
-    filenames = [getattr(m, "__file__", None) for m in sys.modules.values()]
-    for filename in filter(None, filenames) + _error_files:
+    filenames = []
+    for m in sys.modules.values():
+        try:
+            filenames.append(m.__file__)
+        except AttributeError:
+            pass
+    for filename in filenames + _error_files:
         if filename.endswith(".pyc") or filename.endswith(".pyo"):
             filename = filename[:-1]
         if filename.endswith("$py.class"):