diff --git a/invenio_users_resources/services/schemas.py b/invenio_users_resources/services/schemas.py
index 6e7ef27..5193def 100644
--- a/invenio_users_resources/services/schemas.py
+++ b/invenio_users_resources/services/schemas.py
@@ -30,6 +30,7 @@ class UserPreferencesSchema(Schema):
     timezone = fields.String(validate=validate_timezone)
 
 
+
 class UserProfileSchema(Schema):
     """Schema for user profiles."""