diff options
Diffstat (limited to 'lib/sqlalchemy/sql/traversals.py')
| -rw-r--r-- | lib/sqlalchemy/sql/traversals.py | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/lib/sqlalchemy/sql/traversals.py b/lib/sqlalchemy/sql/traversals.py index cb38df6af..a24d010cd 100644 --- a/lib/sqlalchemy/sql/traversals.py +++ b/lib/sqlalchemy/sql/traversals.py @@ -33,12 +33,7 @@ def compare(obj1, obj2, **kw): def _preconfigure_traversals(target_hierarchy): - - stack = [target_hierarchy] - while stack: - cls = stack.pop() - stack.extend(cls.__subclasses__()) - + for cls in util.walk_subclasses(target_hierarchy): if hasattr(cls, "_traverse_internals"): cls._generate_cache_attrs() _copy_internals.generate_dispatch( |