def free_reserved_space(
        self,
        reserved_space: tuple[int, int, int, int],  # [left, right, top, bottom]
        screen: Screen,
    ) -> None:
        """
        Free up space that has previously been reserved at the edge(s) of a screen.
        """
        # mypy can't work out that the new tuple is also length 4 (see mypy #7509)
        reserved_space = tuple(-i for i in reserved_space)  # type: ignore
        self.reserve_space(reserved_space, screen)

        Free up space that has previously been reserved at the edge(s) of a screen.
        
libqtile/core/manager.py