Ticket #3982: to_python.diff

query.py

@@ -192 +192 @@
                     obj, index_end = get_cached_row(klass=self.model, row=row, 
                                                     index_start=0, max_depth=self._max_related_depth)
                 else:
-                    obj = self.model(*row[:index_end])
+                    fields, data = row[:index_end], []
+                    while fields:
+                        data.append(self.model._meta.fields[len(data)].to_python(fields.pop(0)))
+                    obj = self.model(*tuple(data))
                 for i, k in enumerate(extra_select):
                     setattr(obj, k[0], row[index_end+i])
                 yield obj