operation/models.py

@@ -36,7 +36,7 @@ class LatestAppInfo(CreateUpdateMixin):

                 
              

                     @property
              

                     def final_latest_url(self):
              

                -        return self.latest_url or u'{0}{1}'.format(settings.DOMAIN, self.latest_app and self.latest_app.url)
              

                +        return self.latest_url or u'{}{}'.format(settings.DOMAIN, self.latest_app and self.latest_app.url)
              

                 
              

                     def _data(self):
              

                         return {
              

utils/url_utils.py

@@ -4,4 +4,4 @@ from django.conf import settings

                 
              

                 
              

                 def img_url(img_path):
              

                -    return u'{0}/{1}'.format(settings.IMG_DOMAIN, img_path) if img_path else ''
              

                +    return u'{}/{}'.format(settings.IMG_DOMAIN, img_path) if img_path else ''