'Scalar parameters with a scalar input should return a scalar.'

def test_scalar_parameters_scalar_input(self):

    t = TModel_1_2(1, 10, 1000)
    (y, z) = t(100)
    assert isinstance(y, float)
    assert isinstance(z, float)
    assert (np.ndim(y) == np.ndim(z) == 0)
    assert (y == 111)
    assert (z == 1111)
