diff options
Diffstat (limited to 'lib/sqlalchemy/orm/dynamic.py')
| -rw-r--r-- | lib/sqlalchemy/orm/dynamic.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/sqlalchemy/orm/dynamic.py b/lib/sqlalchemy/orm/dynamic.py index dee2e28ce..fe3628df2 100644 --- a/lib/sqlalchemy/orm/dynamic.py +++ b/lib/sqlalchemy/orm/dynamic.py @@ -4,7 +4,7 @@ a special AttributeHistory on the 'write' side.""" from sqlalchemy import exceptions from sqlalchemy.orm import attributes, object_session from sqlalchemy.orm.query import Query -from sqlalchemy.orm.mapper import has_identity +from sqlalchemy.orm.mapper import has_identity, object_mapper class DynamicCollectionAttribute(attributes.InstrumentedAttribute): def __init__(self, class_, attribute_manager, key, typecallable, target_mapper, **kwargs): @@ -98,9 +98,9 @@ class AppenderQuery(Query): sess = object_session(self.instance) if sess is None: try: - sess = mapper.object_mapper(instance).get_session() + sess = object_mapper(self.instance).get_session() except exceptions.InvalidRequestError: - raise exceptions.InvalidRequestError("Parent instance %s is not bound to a Session, and no contextual session is established; lazy load operation of attribute '%s' cannot proceed" % (instance.__class__, self.key)) + raise exceptions.InvalidRequestError("Parent instance %s is not bound to a Session, and no contextual session is established; lazy load operation of attribute '%s' cannot proceed" % (self.instance.__class__, self.key)) return sess.query(self.attr.target_mapper).with_parent(self.instance) |