diff --git a/backend/pigeonhole/apps/submissions/models.py b/backend/pigeonhole/apps/submissions/models.py
index 1708c18f..b454d02a 100644
--- a/backend/pigeonhole/apps/submissions/models.py
+++ b/backend/pigeonhole/apps/submissions/models.py
@@ -23,6 +23,7 @@
 
 SUBMISSIONS_DIR = f"{str(settings.STATIC_ROOT)}/submissions"
 
+
 def submission_folder_path(group_id, submission_id):
     return f"{SUBMISSIONS_DIR}/group_{group_id}/{submission_id}"