def is_config(self, config_path: str) -> bool:
    config_path = self._normalize_file_name(config_path)
    full_path = os.path.realpath(os.path.join(self.path, config_path))
    return os.path.isfile(full_path)
def is_config(self, config_path: str) -> bool:
    config_path = self._normalize_file_name(config_path)
    full_path = os.path.realpath(os.path.join(self.path, config_path))
    return os.path.isfile(full_path)