diff options
Diffstat (limited to 'lib/sqlalchemy/orm/strategies.py')
| -rw-r--r-- | lib/sqlalchemy/orm/strategies.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/strategies.py b/lib/sqlalchemy/orm/strategies.py index 7d05a37f5..094637082 100644 --- a/lib/sqlalchemy/orm/strategies.py +++ b/lib/sqlalchemy/orm/strategies.py @@ -774,7 +774,10 @@ class LazyLoader(AbstractRelationshipLoader, util.MemoizedSlots): ) if instance is not None: - return instance + if instance is attributes.PASSIVE_CLASS_MISMATCH: + return None + else: + return instance elif ( not passive & attributes.SQL_OK or not passive & attributes.RELATED_OBJECT_OK |