diff --git a/app/urls.py b/app/urls.py
index 957d375..661ea6d 100644
--- a/app/urls.py
+++ b/app/urls.py
@@ -13,6 +13,7 @@
     1. Import the include() function: from django.urls import include, path
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
+
 from django.contrib import admin
 from django.urls import include, path, re_path
 from django.views.generic.base import RedirectView
diff --git a/bot_seo/pyadaptivecards_tools.py b/bot_seo/pyadaptivecards_tools.py
index 1a23129..2b125a6 100644
--- a/bot_seo/pyadaptivecards_tools.py
+++ b/bot_seo/pyadaptivecards_tools.py
@@ -1,4 +1,5 @@
 """ Extensions and hacks for pyadaptivecards. """
+
 from typing import Literal, List, Optional
 
 from pyadaptivecards.abstract_components import Serializable
diff --git a/okr/admin/__init__.py b/okr/admin/__init__.py
index 350ebc3..5bfa2ac 100644
--- a/okr/admin/__init__.py
+++ b/okr/admin/__init__.py
@@ -1,4 +1,5 @@
 """Module for Django backend."""
+
 # flake8: noqa
 
 from django.contrib import admin
diff --git a/okr/models/__init__.py b/okr/models/__init__.py
index 235fba9..635dff5 100644
--- a/okr/models/__init__.py
+++ b/okr/models/__init__.py
@@ -1,4 +1,5 @@
 """Module for Django model definitions."""
+
 # flake8: noqa
 
 from .base import *
diff --git a/okr/patch_django_extensions.py b/okr/patch_django_extensions.py
index 90a3e8b..e43f2d1 100644
--- a/okr/patch_django_extensions.py
+++ b/okr/patch_django_extensions.py
@@ -23,9 +23,9 @@ def get_appmodel_context(self, appmodel, appmodel_abstracts):
                 ]
                 context["m2m_targets"] = m2m_targets
 
-                context[
-                    "docstring"
-                ] = "Automatisch erzeugte Tabelle für eine Many-to-Many-Relation."
+                context["docstring"] = (
+                    "Automatisch erzeugte Tabelle für eine Many-to-Many-Relation."
+                )
 
             return context
 
diff --git a/okr/scrapers/common/google.py b/okr/scrapers/common/google.py
index 41998e4..c52c1ff 100644
--- a/okr/scrapers/common/google.py
+++ b/okr/scrapers/common/google.py
@@ -1,6 +1,7 @@
 """Set up Google service account credentials and required services.
 Requires the ``GOOGLE_SERVICE_ACCOUNT`` environment variable to be set.
 """
+
 import json
 import os
 import re
diff --git a/okr/scrapers/podcasts/__init__.py b/okr/scrapers/podcasts/__init__.py
index b59173f..d730fb3 100644
--- a/okr/scrapers/podcasts/__init__.py
+++ b/okr/scrapers/podcasts/__init__.py
@@ -536,13 +536,13 @@ def _scrape_spotify_api_episode_data(podcast, start_date, end_date):
                     episode_data[agg_type] = {"total": 0}
 
             try:
-                episode_data[
-                    "listeners_all_time"
-                ] = spotify_api.podcast_episode_data_all_time(
-                    podcast.spotify_id,
-                    podcast_episode.spotify_id,
-                    "listeners",
-                    end=date,
+                episode_data["listeners_all_time"] = (
+                    spotify_api.podcast_episode_data_all_time(
+                        podcast.spotify_id,
+                        podcast_episode.spotify_id,
+                        "listeners",
+                        end=date,
+                    )
                 )
             except SpotifyException:
                 episode_data["listeners_all_time"] = {"total": 0}
diff --git a/okr/scrapers/youtube/__init__.py b/okr/scrapers/youtube/__init__.py
index 8d52881..630f749 100644
--- a/okr/scrapers/youtube/__init__.py
+++ b/okr/scrapers/youtube/__init__.py
@@ -121,9 +121,11 @@ def _scrape_youtube_traffic_source(
     for source_type, (views, minutes_watched) in json_data.items():
         defaults = {
             "views": views,
-            "watch_time": to_timedelta(minutes_watched * 60)
-            if minutes_watched is not None
-            else None,
+            "watch_time": (
+                to_timedelta(minutes_watched * 60)
+                if minutes_watched is not None
+                else None
+            ),
             "quintly_last_updated": BERLIN.localize(
                 dt.datetime.fromisoformat(row.importTime)
             ),
diff --git a/worker.py b/worker.py
index 456c74e..d73c317 100644
--- a/worker.py
+++ b/worker.py
@@ -1,6 +1,5 @@
 """ Main entrypoint for the worker process """
 
-
 import os
 
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "app.settings")