code: def test_cutout_empty_data(
      art_warning, empty_image, length, channels_first
  ):
      try:
          cutout = CutoutPyTorch(
              length=length, channels_first=channels_first
          )
          assert_array_equal(cutout(empty_image)[0], empty_image)
      except ARTTestException as e:
          art_warning(e)
  
file_path: adversarial-robustness-toolbox/tests/defences/preprocessor/cutout/test_cutout_pytorch.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import logging
  import numpy
  import pytest
  from numpy.testing import assert_array_equal
  from art.config import ART_NUMPY_DTYPE
  from art.defences.preprocessor import CutoutPyTorch
  from tests.utils import ARTTestException
label_desc: Use image node_id 6 for calling a global function with example usage: test_cutout_empty_data(art_warning, empty_image, length, channels_first) without return types