diff options
Diffstat (limited to 'lib/sqlalchemy/orm/state.py')
| -rw-r--r-- | lib/sqlalchemy/orm/state.py | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/sqlalchemy/orm/state.py b/lib/sqlalchemy/orm/state.py index fe8ccd222..17872a9b4 100644 --- a/lib/sqlalchemy/orm/state.py +++ b/lib/sqlalchemy/orm/state.py @@ -58,7 +58,6 @@ class InstanceState(interfaces.InspectionAttr): expired = False deleted = False _load_pending = False - is_instance = True def __init__(self, obj, manager): @@ -221,7 +220,7 @@ class InstanceState(interfaces.InspectionAttr): def _cleanup(self, ref): instance_dict = self._instance_dict() - if instance_dict: + if instance_dict is not None: instance_dict.discard(self) self.callables.clear() |