diff --git a/authens/backends.py b/authens/backends.py
index ccbb7f1..6698414 100644
--- a/authens/backends.py
+++ b/authens/backends.py
@@ -112,8 +112,11 @@ class ENSCASBackend:
                 account_created = True
 
         post_cas_connect.send(
-            UserModel, instance=user, created=account_created, cas_login=cas_login,
-            attributes=attributes
+            UserModel,
+            instance=user,
+            created=account_created,
+            cas_login=cas_login,
+            attributes=attributes,
         )
         return user