from aleksis.core.managers import CurrentSiteManagerWithoutMigrations class PersonalNoteManager(CurrentSiteManagerWithoutMigrations): """Manager adding specific methods to personal notes.""" def get_queryset(self): """Ensure all related lesson and person data are loaded as well.""" return ( super() .get_queryset() .select_related( "person", "excuse_type", "lesson_period", "lesson_period__lesson", "lesson_period__lesson__subject", "lesson_period__period", "lesson_period__lesson__validity", "lesson_period__lesson__validity__school_term", ) .prefetch_related("extra_marks") )