diff options
Diffstat (limited to 'lib/sqlalchemy/util')
| -rw-r--r-- | lib/sqlalchemy/util/__init__.py | 1 | ||||
| -rw-r--r-- | lib/sqlalchemy/util/_collections.py | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/lib/sqlalchemy/util/__init__.py b/lib/sqlalchemy/util/__init__.py index d443cf031..6f409c9e2 100644 --- a/lib/sqlalchemy/util/__init__.py +++ b/lib/sqlalchemy/util/__init__.py @@ -26,6 +26,7 @@ from ._collections import IdentitySet as IdentitySet from ._collections import immutabledict as immutabledict from ._collections import LRUCache as LRUCache from ._collections import merge_lists_w_ordering as merge_lists_w_ordering +from ._collections import NONE_SET as NONE_SET from ._collections import ordered_column_set as ordered_column_set from ._collections import OrderedDict as OrderedDict from ._collections import OrderedIdentitySet as OrderedIdentitySet diff --git a/lib/sqlalchemy/util/_collections.py b/lib/sqlalchemy/util/_collections.py index af117dc92..2e793e862 100644 --- a/lib/sqlalchemy/util/_collections.py +++ b/lib/sqlalchemy/util/_collections.py @@ -69,6 +69,7 @@ _VT = TypeVar("_VT", bound=Any) _T_co = TypeVar("_T_co", covariant=True) EMPTY_SET: FrozenSet[Any] = frozenset() +NONE_SET: FrozenSet[Any] = frozenset([None]) def merge_lists_w_ordering(a: List[Any], b: List[Any]) -> List[Any]: |