diff --git a/rapids/models.py b/rapids/models.py
index 6904b712..d9b5105d 100644
--- a/rapids/models.py
+++ b/rapids/models.py
@@ -624,6 +624,7 @@ class Exam(ExamBase):
 
     )
 
+
     user_user_groups = models.ManyToManyField(
         UserUserGroup,
         blank=True,