def test_fit_em(self):
    with warnings.catch_warnings():
        warnings.simplefilter('ignore')
        super(TestHamiltonAR2Short, self).test_fit_em()
def test_fit_em(self):
    with warnings.catch_warnings():
        warnings.simplefilter('ignore')
        super(TestHamiltonAR2Short, self).test_fit_em()