docs: def reload_config(self, dockercfg_path=None):
          """
          Force a reload of the auth configuration
  
          Args:
              dockercfg_path (str): Use a custom path for the Docker config file
                  (default ``$HOME/.docker/config.json`` if present,
                  otherwise``$HOME/.dockercfg``)
  
          Returns:
              None
          """
          self._auth_configs = auth.load_config(
              dockercfg_path, credstore_env=self.credstore_env
          )