def test_intercept3(self):
    t = self.formula['A']
    t.namespace = self.namespace
    prod = (t * formula.I)
    prod.namespace = self.formula.namespace
    assert_almost_equal(np.squeeze(prod()), t())
def test_intercept3(self):
    t = self.formula['A']
    t.namespace = self.namespace
    prod = (t * formula.I)
    prod.namespace = self.formula.namespace
    assert_almost_equal(np.squeeze(prod()), t())