def METHOD_NAME():
    m = Minuit(fcn, a=1, b=2)
    m.scipy()
    assert m.valid
    assert_allclose(m.values, [0, 1], atol=1e-3)
    m.fixed[1] = True  # modify latest state
    m.values = 1, 2
    m.scipy()  # used to fail
    assert m.valid
    assert_allclose(m.values, [0, 2], atol=1e-3)