diff --git a/aleksis/apps/alsijil/model_extensions.py b/aleksis/apps/alsijil/model_extensions.py
index 24a8ebcac5e6602f805335196641e53c86c0c8c3..1c7fa661c80f14a706b5b11b4ebfa9856ee12fab 100644
--- a/aleksis/apps/alsijil/model_extensions.py
+++ b/aleksis/apps/alsijil/model_extensions.py
@@ -1,5 +1,5 @@
 from datetime import date
-from typing import Dict, Optional, Union, Iterator
+from typing import Dict, Iterator, Optional, Union
 
 from django.db.models import Exists, OuterRef, QuerySet
 from django.utils.translation import gettext as _
@@ -191,7 +191,10 @@ def get_absences(self, week: Optional[CalendarWeek] = None) -> Iterator:
     if not week:
         week = self.week
 
-    return filter(lambda p: p.week == week.week and p.year == week.year and p.absent, self.personal_notes.all())
+    return filter(
+        lambda p: p.week == week.week and p.year == week.year and p.absent,
+        self.personal_notes.all(),
+    )
 
 
 @LessonPeriod.method
diff --git a/aleksis/apps/alsijil/views.py b/aleksis/apps/alsijil/views.py
index b25bc15a7c1a267f7d86ed8b7df273e10bf5208b..1f21e903e0e1c9a4a0746b51bf66a6141e1cead8 100644
--- a/aleksis/apps/alsijil/views.py
+++ b/aleksis/apps/alsijil/views.py
@@ -179,7 +179,11 @@ def week_view(
 
     instance = get_instance_by_pk(request, year, week, type_, id_)
 
-    lesson_periods = LessonPeriod.objects.in_week(wanted_week).prefetch_related("lesson__groups__members", "lesson__groups__parent_groups", "lesson__groups__parent_groups__owners")
+    lesson_periods = LessonPeriod.objects.in_week(wanted_week).prefetch_related(
+        "lesson__groups__members",
+        "lesson__groups__parent_groups",
+        "lesson__groups__parent_groups__owners",
+    )
 
     lesson_periods_query_exists = True
     if type_ and id_: