From bbc0bffd886ab840f21e7cf235841ac84f6b940f Mon Sep 17 00:00:00 2001
From: Matthew Tretter <matthew@exanimo.com>
Date: Thu, 3 Nov 2011 12:26:23 -0400
Subject: [PATCH] Fixes error message

Arguments were in the wrong order. Also, shows class name in string
representation of instance isn't helpful.
---
 imagekit/admin.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/imagekit/admin.py b/imagekit/admin.py
index cc24d29..94d9cf5 100644
--- a/imagekit/admin.py
+++ b/imagekit/admin.py
@@ -24,8 +24,8 @@ class AdminThumbnail(object):
         thumbnail = getattr(obj, self.image_field, None)
 
         if not thumbnail:
-            raise Exception('The property {0} is not defined on {1}.'.format(
-                obj, self.image_field))
+            raise Exception('The property %s is not defined on %s.' % \
+                    (self.image_field, obj.__class__.__name__))
 
         original_image = getattr(thumbnail, 'source_file', None) or thumbnail
         template = self.template or 'imagekit/admin/thumbnail.html'