def test_no_expo(self):
        img_clean = basket_weaving(self.img_hor, self.img_ver)

        diff_img = (self.img - img_clean)
        mean = np.mean(diff_img)
        std = np.std(diff_img)

        assert np.all(np.abs(diff_img - mean) < std * 5)
    def test_wrapper(self):
        img_clean = basket_weaving(self.img_hor, self.img_ver)
        img_clean_w = destripe_wrapper(self.img_hor, self.img_ver)

        assert np.all(img_clean == img_clean_w)