def test_anonymous_get_requests_redirected_to_index(self):
        self.client.logout()

        response = self.client.get(reverse('results-export'), follow=True)
        self.assertRedirects(response, '/?next=%2Fadmin%2Fresults')
def make_grayscale(img):
    ret = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
    return ret