diff --git a/aleksis/apps/alsijil/menus.py b/aleksis/apps/alsijil/menus.py
index 87c97ace92362f31d7cefa350f41d477fbf57326..896f1378a18f0166a78e951e5b9cd4cadb004740 100644
--- a/aleksis/apps/alsijil/menus.py
+++ b/aleksis/apps/alsijil/menus.py
@@ -23,7 +23,7 @@ MENUS = {
                             "aleksis.core.util.predicates.permission_validator",
                             "alsijil.view_coursebook_rule",
                         ),
-                    ]
+                    ],
                 },
                 {
                     "name": _("Current lesson"),
diff --git a/aleksis/apps/alsijil/views.py b/aleksis/apps/alsijil/views.py
index d6e5afc06dd1921472fb0f3dc9506f36c0774b8d..b37e0e1afdf7be446948820fa3c6592fa7789235 100644
--- a/aleksis/apps/alsijil/views.py
+++ b/aleksis/apps/alsijil/views.py
@@ -37,7 +37,11 @@ from aleksis.apps.chronos.models import (
     TimePeriod,
 )
 from aleksis.apps.chronos.util.build import build_weekdays
-from aleksis.apps.chronos.util.date import get_current_year, get_weeks_for_year, week_weekday_to_date
+from aleksis.apps.chronos.util.date import (
+    get_current_year,
+    get_weeks_for_year,
+    week_weekday_to_date,
+)
 from aleksis.core.mixins import (
     AdvancedCreateView,
     AdvancedDeleteView,
@@ -1473,29 +1477,25 @@ class SelectCoursebookView(PermissionRequiredMixin, TemplateView):
         # Show all future and the ones of last week
 
         last_week, last_week_year = (
-            current_week - 1,
-            current_year
-        ) if current_week >= 2 else (
-            CalendarWeek.get_last_week_of_year(current_year - 1),
-            current_year - 1
+            (current_week - 1, current_year)
+            if current_week >= 2
+            else (CalendarWeek.get_last_week_of_year(current_year - 1), current_year - 1)
         )
 
         last_week_query = Q(
             lesson_periods__substitutions__week=last_week,
-            lesson_periods__substitutions__year=last_week_year
+            lesson_periods__substitutions__year=last_week_year,
         )
         this_week_query = Q(
             lesson_periods__substitutions__week__gte=current_week,
-            lesson_periods__substitutions__year=current_year
-        )
-        next_year_query = Q(
-            lesson_periods__substitutions__year__gt=current_year
+            lesson_periods__substitutions__year=current_year,
         )
+        next_year_query = Q(lesson_periods__substitutions__year__gt=current_year)
         context["lessons"] = Lesson.objects.filter(
-            Q(teachers=person) | (
-                Q(lesson_periods__substitutions__teachers=person) & (
-                    last_week_query | this_week_query | next_year_query
-                )
+            Q(teachers=person)
+            | (
+                Q(lesson_periods__substitutions__teachers=person)
+                & (last_week_query | this_week_query | next_year_query)
             )
         ).for_current_or_all()
         return context