def METHOD_NAME(self):
    expected_exc = ValueError
    ndim = 2
    axis = (0, 1)
    ord = "unknown"
    with pytest.raises(expected_exc):
        np.linalg.norm(np_arrays[ndim], ord=ord, axis=axis)
    with pytest.raises(expected_exc):
        num.linalg.norm(num_arrays[ndim], ord=ord, axis=axis)