class_docstr: Base class for all other agents.
class_docstr_tok: ["Base","class","for","all","other","agents","."]
docstr: Return an observation/action dict based upon given observation.
docstr_tok: ["Return","an","observation\/action","dict","based","upon","given","observation","."]
code: def act(self):
      """
      Return an observation/action dict based upon given observation.
      """
      if hasattr(self, "observation") and self.observation is not None:
          logging.info(
              f"agent received observation:\n{self.observation}"
          )
  
      t = {}
      t["text"] = "hello, teacher!"
      logging.info(f"agent sending message:\n{t}")
      return t
  
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 3 for calling the Agent obj's underlying member method code with example usage: obj.act() and returns: t