docstr: Add command-line arguments specifically for this agent.
docstr_tok: ["Add","command-line","arguments","specifically","for","this","agent","."]
code: def add_cmdline_args(
      cls, parser: ParlaiParser, partial_opt: Optional[Opt] = None
  ) -> ParlaiParser:
      """
      Add command-line arguments specifically for this agent.
      """
      agent = parser.add_argument_group("Local Human Arguments")
      agent.add_argument(
          "-fixedCands",
          "--local-human-candidates-file",
          default=None,
          type=str,
          help="File of label_candidates to send to other agent",
      )
      agent.add_argument(
          "--single_turn",
          type="bool",
          default=False,
          help="If on, assumes single turn episodes.",
      )
      return parser
  
file_path: ParlAI/parlai/agents/local_human/local_human.py
imports: from typing import Optional
  from parlai.core.params import ParlaiParser
  from parlai.core.opt import Opt
  from parlai.core.agents import Agent
  from parlai.core.message import Message
  from parlai.utils.misc import display_messages, load_cands
  from parlai.utils.strings import colorize
label_desc: Use image node_id 1 for calling the LocalHumanAgent obj's underlying member method code with example usage: obj.add_cmdline_args(cls, parser, partial_opt) and returns: parser