code: def make_none_fail():
      """Used for a regular scenario, where both OpenCV and PIL are installed."""
      yield
  
imports: import contextlib
  import enum
  import os
  import pathlib
  from typing import Optional, Type
  from absl.testing import parameterized
  import numpy
  import PIL
  import pytest
  import tensorflow
  import tensorflow_datasets
  from tensorflow_datasets import testing
  from tensorflow_datasets.core import features
label_desc: Use image node_id 3 for calling a global function with example usage: make_none_fail() without return types