diff options
| -rw-r--r-- | lib/sqlalchemy/orm/mapper.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/mapper.py b/lib/sqlalchemy/orm/mapper.py index 31e7e9141..a4587ec50 100644 --- a/lib/sqlalchemy/orm/mapper.py +++ b/lib/sqlalchemy/orm/mapper.py @@ -2131,7 +2131,8 @@ class Mapper(_InspectionAttr): while stack: item = stack.popleft() descendants.append(item) - stack.extend(sorted(item._inheriting_mappers, key=lambda m: m.class_.__name__)) + stack.extend(sorted(item._inheriting_mappers, + key=lambda m: m.class_.__name__)) return util.WeakSequence(descendants) def polymorphic_iterator(self): |