docstr: Return a parser with arguments sourced from several sub models.
docstr_tok: ["Return","a","parser","with","arguments","sourced","from","several","sub","models","."]
code: def get_additional_agent_args(cls) -> ParlaiParser:
      """
      Return a parser with arguments sourced from several sub models.
      """
      additional_agent_parser = super().get_additional_agent_args()
      DirectorComboFidAgent.add_cmdline_args(additional_agent_parser)
      return additional_agent_parser
  
imports: import torch
  import torch.nn.functional
  import copy
  from typing import Optional, List, Tuple, Any, Dict, Union
  from parlai.core.opt import Opt
  from parlai.core.params import ParlaiParser
  from parlai.core.torch_agent import Batch
  from parlai.core.message import Message
  from parlai.agents.rag.retrievers import Document
  from parlai.agents.fid.fid import SearchQueryFiDAgent, WizIntGoldDocRetrieverFiDAgent
  import parlai.utils.logging
  from projects.seeker.agents.seeker_modules import ComboFidModel
  from projects.seeker.agents.seeker import ComboFidAgent, SeekerAgent
  from projects.fits.agents.director_bb2 import DirectorFidAgent, DirectorFidModelMixin
label_desc: Use image node_id 1 for calling the DirectorSeekerAgent obj's underlying member method code with example usage: obj.get_additional_agent_args(cls) and returns: additional_agent_parser