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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 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
        )