diff options
Diffstat (limited to 'lib/sqlalchemy/orm/sync.py')
| -rw-r--r-- | lib/sqlalchemy/orm/sync.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/sync.py b/lib/sqlalchemy/orm/sync.py index aed98bdf0..7556e9f71 100644 --- a/lib/sqlalchemy/orm/sync.py +++ b/lib/sqlalchemy/orm/sync.py @@ -48,7 +48,7 @@ def clear(dest, dest_mapper, synchronize_pairs): for l, r in synchronize_pairs: if r.primary_key and \ dest_mapper._get_state_attr_by_column( - dest, dest.dict, r) is not None: + dest, dest.dict, r) not in orm_util._none_set: raise AssertionError( "Dependency rule tried to blank-out primary key " |