code: def set_multiprocessing_method():
      """
      Try to set 'fork' multiprocessing method to avoid problems with multiprocessing in PyTest on MacOS
      """
      if multiprocessing.get_start_method(allow_none=True) != "fork":
          multiprocessing.set_start_method("fork", force=True)
  
imports: import json
  import multiprocessing
  import os
  from dataclasses import dataclass, field
  from pathlib import Path
  import pytest
  from hydra.utils import instantiate
  from omegaconf import OmegaConf
  from nemo.collections.asr.data.text_to_text import TextToTextDataset, TextToTextItem, TextToTextIterableDataset
  from nemo.collections.common import tokenizers
label_desc: Use image node_id 1 for calling a global function with example usage: set_multiprocessing_method() without return types