code: def test_input_boolean_dtype(self):
      image = (np.random.rand(100, 100) * 256).astype(bool)
      elem = np.ones((3, 3), dtype=bool)
      with pytest.raises(ValueError):
          rank.maximum(image=image, footprint=elem)
  
imports: import numpy
  import pytest
  from skimage import data, morphology, util
  from skimage._shared._warnings import expected_warnings
  from skimage._shared.testing import assert_allclose, assert_array_almost_equal, assert_equal, fetch, run_in_parallel
  from skimage.filters import rank
  from skimage.filters.rank import __all__
  from skimage.filters.rank import subtract_mean
  from skimage.morphology import ball, disk, gray
  from skimage.util import img_as_float, img_as_ubyte
label_desc: Use image node_id 38 for calling the TestRank obj's underlying member method code with example usage: obj.test_input_boolean_dtype() without return types