code: def test_set_norm_with_wrong_2d_array(self):
      a = cvec(512)
      with self.assertRaises(ValueError):
          a.norm = np.zeros((512 // 2 + 1, 2), dtype=float_type)
  
imports: import numpy
  from numpy.testing import TestCase, assert_equal
  from aubio import cvec, fvec, float_type
label_desc: Use image node_id 6 for calling the aubio_cvec_wrong_norm_input obj's underlying member method code with example usage: obj.test_set_norm_with_wrong_2d_array() without return types