Modified the test from [4609] to use a FileField instead of an ImageField (so that you don't have to have PIL installed to run the unit tests).

git-svn-id: http://code.djangoproject.com/svn/django/trunk@4613 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/bug639/models.py

@@ -3,7 +3,7 @@ from django.db import models
 
 class Photo(models.Model):
     title = models.CharField(maxlength=30)
-    image = models.ImageField(upload_to=tempfile.gettempdir())
+    image = models.FileField(upload_to=tempfile.gettempdir())
     
     # Support code for the tests; this keeps track of how many times save() gets
     # called on each instance.