class_docstr: Exports critique requests.
  
  - The requests will be exported to mturk/{template.name}/requests_{timestamp}.csv
  - The template Crowd HTML will be exported to mturk/{template.name}/layout_{timestamp}.html
code: def _get_directory_path(self):
      # TODO: Make this configurable.
      return os.path.join("mturk", self._template.name)
  
imports: import csv
  from datetime import datetime
  import os
  from threading import Lock
  from typing import Dict, List, Sequence
  import textwrap
  import re
  from helm.common.critique_request import CritiqueQuestionTemplate, CritiqueRequest, CritiqueTaskTemplate, QuestionType
  from helm.common.general import ensure_directory_exists
  from helm.common.hierarchical_logger import hlog
label_desc: Use image node_id 2 for calling the _MechanicalTurkCritiqueRequestExporter obj's underlying member method code with example usage: obj._get_directory_path() and returns: os