Ticket #6759: patch_django_6759.diff

docs/custom_model_fields.txt

@@ -401 +401 @@
         # ...
 
         def get_db_prep_save(self, value):
-            return ''.join([''.join(l) for l in (self.north,
-                    self.east, self.south, self.west)])
+            return ''.join([''.join(l) for l in (value.north,
+                    value.east, value.south, value.west)])
 
 ``pre_save(self, model_instance, add)``
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~