Method __set__

lib/sqlalchemy/ext/hybrid.py:1457–1462

(
        self, instance: object, value: Union[SQLCoreOperations[_T], _T]
    )

            return self.fget(instance)

    def __set__(
        self, instance: object, value: Union[SQLCoreOperations[_T], _T]
    ) -> None:
        if self.fset is None:
            raise AttributeError("can't set attribute")
        self.fset(instance, value)  # type: ignore[arg-type]

    def __delete__(self, instance: object) -> None:
        if self.fdel is None: