Ticket #2211: datefield_lookup.diff

__init__.py

@@ -412 +412 @@
         if lookup_type == 'range':
             value = [str(v) for v in value]
         elif lookup_type in ('exact', 'gt', 'gte', 'lt', 'lte', 'ne'):
-            value = value.strftime('%Y-%m-%d')
+            value = self.to_python(value).strftime('%Y-%m-%d')
         else:
             value = str(value)
         return Field.get_db_prep_lookup(self, lookup_type, value)