From 92e89452f1aa3987cb70648e69718c6adea4b079 Mon Sep 17 00:00:00 2001
From: Max Burstein <mburst@maxburstein.com>
Date: Fri, 6 Sep 2013 14:37:43 -0500
Subject: [PATCH] [1.6.x] Fixed #21049 -- Fixed autoreload for Python 3

Changed th system module values check to return a list.
In Python 3 it returns a dict_view which could occassionally produce
a runtime error of "dictionary changed size during iteration".

Backport of 559cb826b8 from master
---
 django/utils/autoreload.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/django/utils/autoreload.py b/django/utils/autoreload.py
index cc9cc1304a5..6de15a2916a 100644
--- a/django/utils/autoreload.py
+++ b/django/utils/autoreload.py
@@ -57,7 +57,7 @@ _error_files = []
 def code_changed():
     global _mtimes, _win
     filenames = []
-    for m in sys.modules.values():
+    for m in list(sys.modules.values()):
         try:
             filenames.append(m.__file__)
         except AttributeError: