From 51dcf283fda1492d8e75da2c036848ab4149030d Mon Sep 17 00:00:00 2001
From: Matthew Tretter <m@tthewwithanm.com>
Date: Wed, 6 Feb 2013 21:59:26 -0500
Subject: [PATCH] Fix default cache backend for Django < 1.3

---
 imagekit/conf.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/imagekit/conf.py b/imagekit/conf.py
index 3abd6f3..4c2f2e7 100644
--- a/imagekit/conf.py
+++ b/imagekit/conf.py
@@ -16,5 +16,8 @@ class ImageKitConf(AppConf):
 
     def configure_cache_backend(self, value):
         if value is None:
-            value = 'django.core.cache.backends.dummy.DummyCache' if settings.DEBUG else 'default'
+            if getattr(settings, 'CACHES', None):
+                value = 'django.core.cache.backends.dummy.DummyCache' if settings.DEBUG else 'default'
+            else:
+                value = 'dummy://' if settings.DEBUG else settings.CACHE_BACKEND
         return value