code: def test_non_callable(self):
      with pytest.raises(ValueError):
          LPIFilter2D(None)
  
file_path: scikit-image/skimage/filters/tests/test_lpi_filter.py
imports: import numpy
  import pytest
  from numpy.testing import assert_, assert_equal, assert_array_almost_equal
  from skimage._shared.utils import _supported_float_type
  from skimage.data import camera, coins
  from skimage.filters import LPIFilter2D, filter_inverse, filter_forward, wiener, gaussian
label_desc: Use image node_id 6 for calling the TestLPIFilter2D obj's underlying member method code with example usage: obj.test_non_callable() without return types