Method __new__

lib/sqlalchemy/sql/base.py:229–230

(cls: _T, *arg: Any, **kw: Any)

    _singleton: SingletonConstant

    def __new__(cls: _T, *arg: Any, **kw: Any) -> _T:
        return cast(_T, cls._singleton)

    @util.non_memoized_property
    def proxy_set(self) -> FrozenSet[ColumnElement[Any]]: