def save_token(cls, token):
        """
        Save token, creating folder as needed.
        """
        os.makedirs(os.path.dirname(cls.path_token), exist_ok=True)
        with open(cls.path_token, "w+") as f:
            f.write(token)

        Save token, creating folder as needed.
        
xtune/src/transformers/hf_api.py