diff --git a/aleksis/core/mixins.py b/aleksis/core/mixins.py
index a08295116a9c74c05f126d6b4f1c13454c9a4d64..94283722c9d58168c245668c1a2a77d9e79b697d 100644
--- a/aleksis/core/mixins.py
+++ b/aleksis/core/mixins.py
@@ -65,8 +65,9 @@ class ExtensibleModel(models.Model):
     # Defines a material design icon associated with this type of model
     icon_ = "radio_button_unchecked"
 
-    site = models.ForeignKey(Site, on_delete=models.CASCADE,
-                             default=Site.objects.get_current, editable=False)
+    site = models.ForeignKey(
+        Site, on_delete=models.CASCADE, default=Site.objects.get_current, editable=False
+    )
     objects = CurrentSiteManager()
     objects_all_sites = models.Manager()
 
diff --git a/aleksis/core/preferences.py b/aleksis/core/preferences.py
index 56e7b48d53cd7342743dcd644fa688d277054ba0..9aed9b45561c411e86bcb4a09dbd604a78545446 100644
--- a/aleksis/core/preferences.py
+++ b/aleksis/core/preferences.py
@@ -3,16 +3,9 @@ from django.forms import EmailField, ImageField, URLField
 from django.utils.translation import gettext_lazy as _
 
 from dynamic_preferences.preferences import Section
-from dynamic_preferences.types import (
-    ChoicePreference,
-    FilePreference,
-    StringPreference,
-)
-
-from .registries import (
-    person_preferences_registry,
-    site_preferences_registry,
-)
+from dynamic_preferences.types import ChoicePreference, FilePreference, StringPreference
+
+from .registries import person_preferences_registry, site_preferences_registry
 from .util.notifications import get_notification_choices_lazy
 
 general = Section("general")
diff --git a/aleksis/core/settings.py b/aleksis/core/settings.py
index 20107037d5ba2d4cc762486b2fab8e3b09276c87..f7e2dcd4c077a3795e61a3f8e8c798ba1e1c4baa 100644
--- a/aleksis/core/settings.py
+++ b/aleksis/core/settings.py
@@ -480,8 +480,7 @@ PWA_APP_SPLASH_SCREEN = [
             title="pwa_icon", size=192, rel="apple", default=STATIC_URL + "icons/apple_180.png"
         ),
         "media": (
-            "(device-width: 320px) and (device-height: 568px) and"
-            "(-webkit-device-pixel-ratio: 2)"
+            "(device-width: 320px) and (device-height: 568px) and" "(-webkit-device-pixel-ratio: 2)"
         ),
     }
 ]
diff --git a/aleksis/core/util/apps.py b/aleksis/core/util/apps.py
index 009cd2ad3b9d4eb9f28ddeea6a4b4bd952078a60..0f101a11d19a6097fd7c04dc54de266cf340f79f 100644
--- a/aleksis/core/util/apps.py
+++ b/aleksis/core/util/apps.py
@@ -15,6 +15,7 @@ from .core_helpers import copyright_years
 
 class AppConfig(django.apps.AppConfig):
     """An extended version of DJango's AppConfig container."""
+
     def ready(self):
         super().ready()
 
diff --git a/aleksis/core/util/core_helpers.py b/aleksis/core/util/core_helpers.py
index b24f48c8cbf598ae52377348e93bcd882d3efd4a..79bf5059443aa64aa8c45deb007c6b5619e30285 100644
--- a/aleksis/core/util/core_helpers.py
+++ b/aleksis/core/util/core_helpers.py
@@ -10,9 +10,9 @@ from uuid import uuid4
 from django.conf import settings
 from django.db.models import Model
 from django.http import HttpRequest
+from django.shortcuts import get_object_or_404
 from django.utils import timezone
 from django.utils.functional import lazy
-from django.shortcuts import get_object_or_404
 
 
 def copyright_years(years: Sequence[int], seperator: str = ", ", joiner: str = "–") -> str:
@@ -113,6 +113,7 @@ def lazy_preference(section: str, name: str) -> Callable[[str, str], Any]:
     to other global settings to make them available to third-party apps that are not
     aware of dynamic preferences.
     """
+
     def _get_preference(section: str, name: str) -> Any:
         return get_site_preferences()[f"{section}__{name}"]
 
@@ -125,6 +126,7 @@ def lazy_get_favicon_url(
     title: str, size: int, rel: str, default: Optional[str] = None
 ) -> Callable[[str, str], Any]:
     """Lazily get the URL to a favicon image."""
+
     def _get_favicon_url(size: int, rel: str) -> Any:
         from favicon.models import Favicon  # noqa
 
@@ -220,6 +222,7 @@ def objectgetter_optional(
     model: Model, default: Optional[Any] = None, default_eval: bool = False
 ) -> Callable[[HttpRequest, Optional[int]], Model]:
     """Get an object by pk, defaulting to None."""
+
     def get_object(request: HttpRequest, id_: Optional[int] = None) -> Model:
         if id_ is not None:
             return get_object_or_404(model, pk=id_)
diff --git a/aleksis/core/views.py b/aleksis/core/views.py
index d6387901a1a4e2561471a7d6f3b45cce7b923e6a..350e6fc346e8ce2a94b4abfcdc9230fd3d69c002 100644
--- a/aleksis/core/views.py
+++ b/aleksis/core/views.py
@@ -380,6 +380,7 @@ def searchbar_snippets(request: HttpRequest) -> HttpResponse:
 
 class PermissionSearchView(PermissionRequiredMixin, SearchView):
     """Wrapper to apply permission to haystack's search view."""
+
     permission_required = "core.search"
 
     def create_response(self):