message: fix typo in test_wasserstein_distance
diff: @@ -69,7 +69,7 @@ def _basic_wasserstein(wasserstein_distance, delta, test_infinity=True, test_mat
  match = wasserstein_distance(diag2, emptydiag, matching=True, internal_p=np.inf, order=2.24)[1]
  assert np.array_equal(match , np.array([[0, -1], [1, -1]]))
  match = wasserstein_distance(diag1, diag2, matching=True, internal_p=2., order=2.)[1]
  - assert np.array_equal(match, np.array_equal([[0, 0], [1, 1], [2, -1]]))
  + assert np.array_equal(match, np.array([[0, 0], [1, 1], [2, -1]]))
  