diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sqlalchemy/orm/attributes.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/attributes.py b/lib/sqlalchemy/orm/attributes.py index 21b8a4e64..91bf13034 100644 --- a/lib/sqlalchemy/orm/attributes.py +++ b/lib/sqlalchemy/orm/attributes.py @@ -1122,7 +1122,8 @@ def register_class(class_, extra_init=None, on_exception=None, deferred_scalar_l doinit = False def init(instance, *args, **kwargs): - instance._state = InstanceState(instance) + if not hasattr(instance, '_state'): + instance._state = InstanceState(instance) if extra_init: extra_init(class_, oldinit, instance, args, kwargs) |