diff options
Diffstat (limited to 'lib/sqlalchemy/sql/annotation.py')
| -rw-r--r-- | lib/sqlalchemy/sql/annotation.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/annotation.py b/lib/sqlalchemy/sql/annotation.py index 88f045fe6..519a3103b 100644 --- a/lib/sqlalchemy/sql/annotation.py +++ b/lib/sqlalchemy/sql/annotation.py @@ -21,6 +21,8 @@ EMPTY_ANNOTATIONS = util.immutabledict() class SupportsAnnotations: + __slots__ = () + _annotations = EMPTY_ANNOTATIONS @util.memoized_property @@ -44,6 +46,7 @@ class SupportsAnnotations: class SupportsCloneAnnotations(SupportsAnnotations): + __slots__ = () _clone_annotations_traverse_internals = [ ("_annotations", InternalTraversal.dp_annotations_key) @@ -92,6 +95,8 @@ class SupportsCloneAnnotations(SupportsAnnotations): class SupportsWrappingAnnotations(SupportsAnnotations): + __slots__ = () + def _annotate(self, values): """return a copy of this ClauseElement with annotations updated by the given dictionary. |