def test_norm_resid(self):
        resid = self.res1.wresid
        norm_resid = resid / np.sqrt(self.res1.df_resid / np.sum(resid**2.0))
        model_norm_resid = self.res1.resid_pearson
        assert_almost_equal(model_norm_resid, norm_resid, DECIMAL_7)
dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/regression/tests/test_regression.py/TestOLS.test_norm_resid/swapped operands of `/`