code: def test_hog_output_equivariance_deprecated_multichannel():
      img = data.astronaut()
      img[:, :, (1, 2)] = 0
      hog_ref = feature.hog(img, channel_axis=-1, block_norm="L1")
  
      for n in (1, 2):
          hog_fact = feature.hog(
              np.roll(img, n, axis=2), channel_axis=-1, block_norm="L1"
          )
          assert_almost_equal(hog_ref, hog_fact)
  
file_path: scikit-image/skimage/feature/tests/test_hog.py
imports: import numpy
  import pytest
  from numpy.testing import assert_almost_equal
  from skimage import color, data, draw, feature, img_as_float
  from skimage._shared import filters
  from skimage._shared.testing import fetch
  from skimage._shared.utils import _supported_float_type
label_desc: Use image node_id 11 for calling a global function with example usage: test_hog_output_equivariance_deprecated_multichannel() without return types