Image can be missing in admin

badger/admin.py

@@ -22,6 +22,8 @@ show_unicode.short_description = "Display"
 
 
 def show_image(obj):
+    if not obj.image:
+        return 'None'
     img_url = "%s%s" % (UPLOADS_URL, obj.image)
     return ('<a href="%s" target="_new"><img src="%s" width="48" height="48" /></a>' % 
         (img_url, img_url))