code: def main(cfg: DictConfig) -> None:
      check_override_opt(cfg.mephisto)
      run_task(
          cfg=cfg, task_directory=TASK_DIRECTORY, world_module=None
      )
  
file_path: ParlAI/parlai/crowdsourcing/projects/multisession_chat/human_eval/run.py
imports: import os
  from dataclasses import dataclass, field
  from typing import Any, List
  import hydra
  from mephisto.operations.hydra_config import register_script_config
  from omegaconf import DictConfig
  from parlai.crowdsourcing.tasks.model_chat.model_chat_blueprint import BLUEPRINT_TYPE
  from parlai.crowdsourcing.tasks.model_chat.impl import run_task
  from parlai.crowdsourcing.utils.mturk import MTurkRunScriptConfig
  import json
label_desc: Use image node_id 2 for calling a global function with example usage: main(cfg) without return types