--- /usr/src/Django-trunk/django/db/models/base.py.orig	2006-05-23 01:10:50.000000000 +0200
+++ /usr/src/Django-trunk/django/db/models/base.py	2006-05-23 01:11:03.000000000 +0200
@@ -350,7 +350,7 @@
         cachename = "__%s_dimensions_cache" % field.name
         if not hasattr(self, cachename):
             from django.utils.images import get_image_dimensions
-            filename = self._get_FIELD_filename(field)()
+            filename = self._get_FIELD_filename(field)
             setattr(self, cachename, get_image_dimensions(filename))
         return getattr(self, cachename)