Simplify

aleksis/apps/alsijil/schema/participation_status.py

@@ -56,8 +56,8 @@ class ParticipationStatusType(
             documentation=root.related_documentation,
             tardiness__isnull=False,
         )
-        if len(notes):
-            return notes.first()
+        if notes:
+            return notes[0]
 
         return None