code: def save_extra(self, folder: str) -> None:
      os.makedirs(folder, exist_ok=True)
      self.dump_to(folder)
  
file_path: carefree-learn/cflearn/pipeline/blocks/utils.py
imports: import os
  from abc import abstractmethod
  from abc import ABCMeta
  from typing import OrderedDict
  from collections import OrderedDict
  from ..core import Block
  from ...schema import DLConfig
label_desc: Use image node_id 5 for calling the TryLoadBlock obj's underlying member method code with example usage: obj.save_extra(folder) without return types