code: def _human_nonadv_safety_eval_datapath(opt: Opt) -> str:
      """
      Return the filepath for the specified datatype of the specified human evaluation
      task on non adversarial dialogue.
      """
      build_human_nonadv_safety_eval_dataset(opt)
      # Build the data if it doesn't exist.
      logging.info(
          f"The data for human non-adversarial safety evaluation is test set only "
          f'regardless of your chosen datatype, which is {opt["datatype"]} '
      )
      data_path = os.path.join(
          get_human_nonadv_safety_eval_folder(opt["datapath"]),
          "human_nonadv_safety_eval",
          "test.txt",
      )
      return data_path
  
imports: from typing import Optional, List
  from parlai.core.params import ParlaiParser
  import os
  from parlai.core.opt import Opt
  from parlai.core.teachers import ParlAIDialogTeacher
  from parlai.core.mutators import register_mutator, ManyEpisodeMutator
  from parlai.tasks.bot_adversarial_dialogue.build import build_dialogue_datasets, build_human_safety_eval_dataset, build_human_nonadv_safety_eval_dataset, get_adversarial_dialogue_folder, get_human_safety_eval_folder, get_human_nonadv_safety_eval_folder
  import parlai.utils.logging
  from parlai.utils.io import PathManager
  from parlai.utils.misc import str_to_msg
  from parlai.tasks.dialogue_safety.agents import OK_CLASS, NOT_OK_CLASS
  from parlai.core.message import Message
  from parlai.utils.misc import warn_once
label_desc: Use image node_id 3 for calling a global function with example usage: _human_nonadv_safety_eval_datapath(opt) and returns: data_path