Method add_cleanup

src/_pytest/config/__init__.py:1196–1200

Add a function to be called when the config object gets out of use (usually coinciding with pytest_unconfigure).

(self, func: Callable[[], None])

        return self._inipath

    def add_cleanup(self, func: Callable[[], None]) -> None:
        """Add a function to be called when the config object gets out of
        use (usually coinciding with pytest_unconfigure).
        """
        self._cleanup_stack.callback(func)

    def _do_configure(self) -> None:
        assert not self._configured