diff --git a/aleksis/apps/chronos/preferences.py b/aleksis/apps/chronos/preferences.py
index 10906276220ad376fc55c00c671ac4b1a1df5f6f..cddfb3f0c8be0fbf9f2aeeafa27fcec971a318c0 100644
--- a/aleksis/apps/chronos/preferences.py
+++ b/aleksis/apps/chronos/preferences.py
@@ -3,10 +3,7 @@ from django.utils.translation import gettext as _
 from dynamic_preferences.preferences import Section
 from dynamic_preferences.types import BooleanPreference, IntegerPreference
 
-from aleksis.core.registries import (
-    person_preferences_registry,
-    site_preferences_registry,
-)
+from aleksis.core.registries import person_preferences_registry, site_preferences_registry
 
 chronos = Section("chronos", verbose_name=_("Chronos"))
 
diff --git a/aleksis/apps/chronos/templatetags/week_helpers.py b/aleksis/apps/chronos/templatetags/week_helpers.py
index 054d3f9e2c3feac25e5067db9df324124a771f88..acfb3a3a8859cc50c9e250520d9bcb32f3764ebe 100644
--- a/aleksis/apps/chronos/templatetags/week_helpers.py
+++ b/aleksis/apps/chronos/templatetags/week_helpers.py
@@ -4,11 +4,7 @@ from typing import Optional, Union
 from django import template
 from django.db.models.query import QuerySet
 
-from aleksis.apps.chronos.util.date import (
-    CalendarWeek,
-    week_period_to_date,
-    week_weekday_to_date,
-)
+from aleksis.apps.chronos.util.date import CalendarWeek, week_period_to_date, week_weekday_to_date
 
 register = template.Library()