From ed2f2419a1a49e1cc3e1279ae922babafcd0395a Mon Sep 17 00:00:00 2001
From: Adrian Holovaty <adrian@holovaty.com>
Date: Wed, 19 Oct 2005 13:44:55 +0000
Subject: [PATCH] Fixed #647 -- Fixed cache middleware not to expect
 _cache_update_cache, in case of 404s and 500s. Thanks, Eugene

git-svn-id: http://code.djangoproject.com/svn/django/trunk@954 bcc190cf-cafb-0310-a4f2-bffc1f526a37
---
 django/middleware/cache.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/django/middleware/cache.py b/django/middleware/cache.py
index 04f98122f7..bb3396c849 100644
--- a/django/middleware/cache.py
+++ b/django/middleware/cache.py
@@ -52,7 +52,7 @@ class CacheMiddleware:
 
     def process_response(self, request, response):
         "Sets the cache, if needed."
-        if not request._cache_update_cache:
+        if not hasattr(request, '_cache_update_cache') or not request._cache_update_cache:
             # We don't need to update the cache, just return.
             return response
         if not request.META['REQUEST_METHOD'] == 'GET':