Method crawl_up_dir

mypy/find_sources.py:171–172

(self, dir: str)

        return module, base_dir

    def crawl_up_dir(self, dir: str) -> tuple[str, str]:
        return self._crawl_up_helper(dir) or ("", dir)

    @functools.lru_cache  # noqa: B019
    def _crawl_up_helper(self, dir: str) -> tuple[str, str] | None: