Ticket #6787: result_cache.patch

django/db/models/query.py

@@ -41 +41 @@
             else:
                 self._result_cache = list(self.iterator())
         elif self._iter:
-            self.result_cache.extend(list(self._iter))
+            self._result_cache.extend(list(self._iter))
         return len(self._result_cache)
 
     def __iter__(self):