docs: def yank_path(self, path):
          """Clear cache of results from a specific path"""
          for func in self._caches:
              cache = {}
              for key in self._caches[func].keys():
                  log.debug("cache key %s for func %s", key, func)
                  if path in key[0]:
                      log.debug("del cache key %s", key)
                      del self._caches[func][key]