def METHOD_NAME(self):
    a = [[1, 2, 3]]
    b = np.array(a)
    assert isinstance(sputils.matrix(a), np.matrix)
    assert isinstance(sputils.matrix(b), np.matrix)
    c = sputils.matrix(b)
    c[:, :] = 123
    assert_equal(b, a)
    c = sputils.matrix(b, copy=False)
    c[:, :] = 123
    assert_equal(b, [[123, 123, 123]])