class_docstr: Base class for all other agents.
class_docstr_tok: ["Base","class","for","all","other","agents","."]
docstr: Save any parameters needed to recreate this agent from loaded parameters.
  
  Default implementation is no-op, but many subagents implement this logic.
docstr_tok: ["Save","any","parameters","needed","to","recreate","this","agent","from","loaded","parameters",".","Default","implementation","is","no-op",",","but","many","subagents","implement","this","logic","."]
code: def save(self, path=None):
      """
      Save any parameters needed to recreate this agent from loaded parameters.
  
      Default implementation is no-op, but many subagents implement this logic.
      """
      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 8 for calling the Agent obj's underlying member method code with example usage: obj.save(path) without return types