diff options
Diffstat (limited to 'lib/sqlalchemy/sql/traversals.py')
| -rw-r--r-- | lib/sqlalchemy/sql/traversals.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/traversals.py b/lib/sqlalchemy/sql/traversals.py index 6acd794aa..7973b535f 100644 --- a/lib/sqlalchemy/sql/traversals.py +++ b/lib/sqlalchemy/sql/traversals.py @@ -714,6 +714,8 @@ _cache_key_traversal_visitor = _CacheKey() class HasCopyInternals: + __slots__ = () + def _clone(self, **kw): raise NotImplementedError() |