diff --git a/CTFd/forms/users.py b/CTFd/forms/users.py
index de13a648..7dc79e63 100644
--- a/CTFd/forms/users.py
+++ b/CTFd/forms/users.py
@@ -70,9 +70,7 @@ def attach_custom_user_fields(form_cls, **kwargs):
             )
 
         setattr(
-            form_cls,
-            f"fields[{field.id}]",
-            input_field,
+            form_cls, f"fields[{field.id}]", input_field,
         )
 
 
diff --git a/CTFd/models/__init__.py b/CTFd/models/__init__.py
index 11e03090..e0979181 100644
--- a/CTFd/models/__init__.py
+++ b/CTFd/models/__init__.py
@@ -850,4 +850,4 @@ class UserFieldEntries(FieldEntries):
 class TeamFieldEntries(FieldEntries):
     __mapper_args__ = {"polymorphic_identity": "team"}
     team_id = db.Column(db.Integer, db.ForeignKey("teams.id", ondelete="CASCADE"))
-    team = db.relationship("Teams", foreign_keys="TeamFieldEntries.team_id")
\ No newline at end of file
+    team = db.relationship("Teams", foreign_keys="TeamFieldEntries.team_id")