class_docstr: Base class for all other agents.
class_docstr_tok: ["Base","class","for","all","other","agents","."]
docstr: Perform any final cleanup if needed.
docstr_tok: ["Perform","any","final","cleanup","if","needed","."]
code: def shutdown(self):
      """
      Perform any final cleanup if needed.
      """
      pass
  
imports: import copy
  from typing import List, Union
  from parlai.core.build_data import modelzoo_path
  from parlai.core.loader import load_agent_module
  from parlai.core.loader import register_agent
  from parlai.core.message import Message
  from parlai.core.opt import Opt
  from parlai.utils.misc import warn_once
  import parlai.utils.logging
  from parlai.utils.io import PathManager
label_desc: Use image node_id 11 for calling the Agent obj's underlying member method code with example usage: obj.shutdown() without return types