class_docstr: Base class for all other agents.
class_docstr_tok: ["Base","class","for","all","other","agents","."]
code: def __init__(self, opt: Opt, shared=None):
      if not hasattr(self, "id"):
          self.id = "agent"
      if not hasattr(self, "opt"):
          self.opt = copy.deepcopy(opt)
      self.observation = None
  
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 1 to create a new Agent object from inherited base classes: object with example: obj = Agent(opt, shared)