code: def test_procrustes_no_variation(self):
      assert_raises(
          ValueError,
          procrustes,
          np.array([[42, 42], [42, 42]]),
          np.array([[45, 45], [45, 45]]),
      )
  
file_path: scipy/scipy/spatial/tests/test__procrustes.py
imports: import numpy
  from numpy.testing import assert_allclose, assert_equal, assert_almost_equal
  from pytest import raises
  from scipy.spatial import procrustes
label_desc: Use image node_id 6 for calling the TestProcrustes obj's underlying member method code with example usage: obj.test_procrustes_no_variation() without return types