code: def test_discontiguous_array():
      ar = np.array([[1, 0, 1], [0, 1, 0], [1, 0, 1]], np.uint8)
      ar = ar[::2]
      ar_out = unique_rows(ar)
      desired_ar_out = np.array([[1, 0, 1]], np.uint8)
      assert_equal(ar_out, desired_ar_out)
  
file_path: scikit-image/skimage/util/tests/test_unique_rows.py
imports: import numpy
  from skimage.util import unique_rows
  from skimage._shared import testing
  from skimage._shared.testing import assert_equal
label_desc: Use image node_id 1 for calling a global function with example usage: test_discontiguous_array() without return types