diff --git a/djangocms_admin_style/__init__.py b/djangocms_admin_style/__init__.py
index 7c8bc7f0..42be157a 100644
--- a/djangocms_admin_style/__init__.py
+++ b/djangocms_admin_style/__init__.py
@@ -3,7 +3,8 @@
 
 Release logic:
  1. Increase version number (change __version__ below).
- 2. Ensure the static bundle is upto date with ``nvm use && gulp icons && gulp sass bundle``
+ 2. Ensure the static bundle is upto date with
+   ``nvm use && gulp icons && gulp sass bundle``
  3. Assure that all changes have been documented in CHANGELOG.rst.
  4. In setup.py check that
    - versions from all third party packages are pinned in ``REQUIREMENTS``.
@@ -16,4 +17,4 @@
 10. Publish the release when ready
 11. Github actions will publish the new package to pypi
 """
-__version__ = '3.3.0'
+__version__ = "3.3.0"
diff --git a/djangocms_admin_style/locale/de/LC_MESSAGES/django.po b/djangocms_admin_style/locale/de/LC_MESSAGES/django.po
index 60ce3021..145f7645 100644
--- a/djangocms_admin_style/locale/de/LC_MESSAGES/django.po
+++ b/djangocms_admin_style/locale/de/LC_MESSAGES/django.po
@@ -1,7 +1,7 @@
 # SOME DESCRIPTIVE TITLE.
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
-# 
+#
 # Translators:
 # Translators:
 # Angelo Dini <finalangeljp@hotmail.com>, 2016
diff --git a/djangocms_admin_style/locale/es/LC_MESSAGES/django.po b/djangocms_admin_style/locale/es/LC_MESSAGES/django.po
index 4e760d40..34a8ea77 100644
--- a/djangocms_admin_style/locale/es/LC_MESSAGES/django.po
+++ b/djangocms_admin_style/locale/es/LC_MESSAGES/django.po
@@ -1,7 +1,7 @@
 # SOME DESCRIPTIVE TITLE.
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
-# 
+#
 # Translators:
 # Translators:
 # Paulo <paulo.alvarado@divio.ch>, 2015
diff --git a/djangocms_admin_style/locale/fr/LC_MESSAGES/django.po b/djangocms_admin_style/locale/fr/LC_MESSAGES/django.po
index 365b9d46..f9a7cf93 100644
--- a/djangocms_admin_style/locale/fr/LC_MESSAGES/django.po
+++ b/djangocms_admin_style/locale/fr/LC_MESSAGES/django.po
@@ -1,7 +1,7 @@
 # SOME DESCRIPTIVE TITLE.
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
-# 
+#
 # Translators:
 # Translators:
 # Frigory33 <chironsylvain@orange.fr>, 2016
diff --git a/djangocms_admin_style/locale/it/LC_MESSAGES/django.po b/djangocms_admin_style/locale/it/LC_MESSAGES/django.po
index 5c849e61..564d4bda 100644
--- a/djangocms_admin_style/locale/it/LC_MESSAGES/django.po
+++ b/djangocms_admin_style/locale/it/LC_MESSAGES/django.po
@@ -1,7 +1,7 @@
 # SOME DESCRIPTIVE TITLE.
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
-# 
+#
 # Translators:
 # Translators:
 # yakky <i.spalletti@nephila.it>, 2015
diff --git a/djangocms_admin_style/locale/lt/LC_MESSAGES/django.po b/djangocms_admin_style/locale/lt/LC_MESSAGES/django.po
index 302f3aa0..adfa6e84 100644
--- a/djangocms_admin_style/locale/lt/LC_MESSAGES/django.po
+++ b/djangocms_admin_style/locale/lt/LC_MESSAGES/django.po
@@ -1,7 +1,7 @@
 # SOME DESCRIPTIVE TITLE.
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
-# 
+#
 # Translators:
 # Translators:
 # Matas Dailyda <matas@dailyda.com>, 2015
diff --git a/djangocms_admin_style/locale/ru/LC_MESSAGES/django.po b/djangocms_admin_style/locale/ru/LC_MESSAGES/django.po
index 9cf72834..9ab33613 100644
--- a/djangocms_admin_style/locale/ru/LC_MESSAGES/django.po
+++ b/djangocms_admin_style/locale/ru/LC_MESSAGES/django.po
@@ -1,7 +1,7 @@
 # SOME DESCRIPTIVE TITLE.
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
-# 
+#
 # Translators:
 # Translators:
 # Mikhail Kolesnik <mike@openbunker.org>, 2015
diff --git a/djangocms_admin_style/locale/uk/LC_MESSAGES/django.po b/djangocms_admin_style/locale/uk/LC_MESSAGES/django.po
index d3fe7b79..8edba8cd 100644
--- a/djangocms_admin_style/locale/uk/LC_MESSAGES/django.po
+++ b/djangocms_admin_style/locale/uk/LC_MESSAGES/django.po
@@ -1,7 +1,7 @@
 # SOME DESCRIPTIVE TITLE.
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
-# 
+#
 # Translators:
 # Translators:
 # Mikhail Kolesnik <mike@openbunker.org>, 2015
diff --git a/djangocms_admin_style/sass/libs/html5-boilerplate/_reset.scss b/djangocms_admin_style/sass/libs/html5-boilerplate/_reset.scss
index 87d57d8f..78148bba 100644
--- a/djangocms_admin_style/sass/libs/html5-boilerplate/_reset.scss
+++ b/djangocms_admin_style/sass/libs/html5-boilerplate/_reset.scss
@@ -115,7 +115,7 @@
 
     mark {
         color: $black;
-        font-weight: bold; 
+        font-weight: bold;
         font-style: italic;
         background-color: #ff9;
     }
diff --git a/djangocms_admin_style/static/djangocms_admin_style/fonts/django-admin-icons.svg b/djangocms_admin_style/static/djangocms_admin_style/fonts/django-admin-icons.svg
index dd4faf05..0925d198 100644
--- a/djangocms_admin_style/static/djangocms_admin_style/fonts/django-admin-icons.svg
+++ b/djangocms_admin_style/static/djangocms_admin_style/fonts/django-admin-icons.svg
@@ -10,8 +10,8 @@ This is a custom SVG font generated by IcoMoon.
 <font-face units-per-em="512" ascent="480" descent="-32" />
 <missing-glyph horiz-adv-x="512" />
 <glyph unicode="&#x21;" d="M 488.00,456.00c-32.00,32.00-64.00,32.00-96.00,0.00l-8.00-8.00l 96.00-96.00l 8.00,8.00C 520.00,392.00, 520.00,424.00, 488.00,456.00zM 32.00,96.00L0.00-32.00l 128.00,32.00l 320.00,320.00l-96.00,96.00L 32.00,96.00z M 128.00,64.00l-32.00,32.00l 256.00,256.00l 32.00-32.00L 128.00,64.00z" />
-<glyph unicode="&#x22;" d="M 496.00,288.00L 320.00,288.00 L 320.00,464.00 c0.00,8.836-7.164,16.00-16.00,16.00l-96.00,0.00 c-8.836,0.00-16.00-7.164-16.00-16.00l0.00-176.00 L 16.00,288.00 c-8.836,0.00-16.00-7.164-16.00-16.00l0.00-96.00 
-	c0.00-8.836, 7.164-16.00, 16.00-16.00l 176.00,0.00 l0.00-176.00 c0.00-8.836, 7.164-16.00, 16.00-16.00l 96.00,0.00 c 8.836,0.00, 16.00,7.164, 16.00,16.00L 320.00,160.00 l 176.00,0.00 c 8.836,0.00, 16.00,7.164, 16.00,16.00l0.00,96.00 
+<glyph unicode="&#x22;" d="M 496.00,288.00L 320.00,288.00 L 320.00,464.00 c0.00,8.836-7.164,16.00-16.00,16.00l-96.00,0.00 c-8.836,0.00-16.00-7.164-16.00-16.00l0.00-176.00 L 16.00,288.00 c-8.836,0.00-16.00-7.164-16.00-16.00l0.00-96.00
+	c0.00-8.836, 7.164-16.00, 16.00-16.00l 176.00,0.00 l0.00-176.00 c0.00-8.836, 7.164-16.00, 16.00-16.00l 96.00,0.00 c 8.836,0.00, 16.00,7.164, 16.00,16.00L 320.00,160.00 l 176.00,0.00 c 8.836,0.00, 16.00,7.164, 16.00,16.00l0.00,96.00
 	C 512.00,280.836, 504.836,288.00, 496.00,288.00z" />
 <glyph unicode="&#x23;" d="M 449.077,10.754l-114.54,168.305c 65.459,51.835, 83.963,145.677, 39.835,219.126
 		C 326.445,477.959, 222.559,503.857, 142.793,455.94C 63.028,408.007, 37.131,304.124, 85.054,224.357
@@ -33,12 +33,12 @@ This is a custom SVG font generated by IcoMoon.
 	 M 128.00,224.00l 128.00,128.00l0.00-96.00 l 128.00,0.00 l0.00-64.00 l-128.00,0.00 l0.00-96.00 L 128.00,224.00z" />
 <glyph unicode="&#x26;" d="M0.00,224.00c0.00-141.376, 114.624-256.00, 256.00-256.00c 141.392,0.00, 256.00,114.624, 256.00,256.00c0.00,141.392-114.608,256.00-256.00,256.00C 114.624,480.00,0.00,365.392,0.00,224.00z M 384.00,224.00
 	l-128.00-128.00l0.00,96.00 L 128.00,192.00 l0.00,64.00 l 128.00,0.00 L 256.00,352.00 L 384.00,224.00z" />
-<glyph unicode="&#x27;" d="M 224.00,288.00L 416.00,288.00L 416.00,256.00L 224.00,256.00zM 224.00,224.00L 416.00,224.00L 416.00,192.00L 224.00,192.00zM 224.00,160.00L 416.00,160.00L 416.00,128.00L 224.00,128.00zM 224.00,96.00L 352.00,96.00L 352.00,64.00L 224.00,64.00zM 480.00,384.00l-96.00,0.00 L 384.00,448.00 c0.00,17.60-14.40,32.00-32.00,32.00L 32.00,480.00 C 14.40,480.00,0.00,465.60,0.00,448.00l0.00-352.00 c0.00-17.60, 14.40-32.00, 32.00-32.00l 96.00,0.00 l0.00-64.00 c0.00-17.60, 14.40-32.00, 32.00-32.00l 320.00,0.00 
-		c 17.60,0.00, 32.00,14.40, 32.00,32.00L 512.00,352.00 C 512.00,369.60, 497.60,384.00, 480.00,384.00z M 128.00,352.00l0.00-240.00 L 48.00,112.00 L 48.00,432.00 l 288.00,0.00 l0.00-48.00 L 160.00,384.00 C 142.40,384.00, 128.00,369.60, 128.00,352.00z M 464.00,16.00L 176.00,16.00 
+<glyph unicode="&#x27;" d="M 224.00,288.00L 416.00,288.00L 416.00,256.00L 224.00,256.00zM 224.00,224.00L 416.00,224.00L 416.00,192.00L 224.00,192.00zM 224.00,160.00L 416.00,160.00L 416.00,128.00L 224.00,128.00zM 224.00,96.00L 352.00,96.00L 352.00,64.00L 224.00,64.00zM 480.00,384.00l-96.00,0.00 L 384.00,448.00 c0.00,17.60-14.40,32.00-32.00,32.00L 32.00,480.00 C 14.40,480.00,0.00,465.60,0.00,448.00l0.00-352.00 c0.00-17.60, 14.40-32.00, 32.00-32.00l 96.00,0.00 l0.00-64.00 c0.00-17.60, 14.40-32.00, 32.00-32.00l 320.00,0.00
+		c 17.60,0.00, 32.00,14.40, 32.00,32.00L 512.00,352.00 C 512.00,369.60, 497.60,384.00, 480.00,384.00z M 128.00,352.00l0.00-240.00 L 48.00,112.00 L 48.00,432.00 l 288.00,0.00 l0.00-48.00 L 160.00,384.00 C 142.40,384.00, 128.00,369.60, 128.00,352.00z M 464.00,16.00L 176.00,16.00
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+<glyph unicode="&#x2a;" d="M 432.00-32.00L 80.00-32.00 c-8.848,0.00-16.00,7.152-16.00,16.00L 64.00,320.00 l 16.00,0.00 l0.00,0.00l 128.00,0.00 c 8.848,0.00, 16.00,7.168, 16.00,16.00L 224.00,416.00 L 224.00,464.00 L 224.00,480.00 l 208.00,0.00
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diff --git a/djangocms_admin_style/templates/admin/inc/branding.html b/djangocms_admin_style/templates/admin/inc/branding.html
index 536d7ba2..4157b17a 100644
--- a/djangocms_admin_style/templates/admin/inc/branding.html
+++ b/djangocms_admin_style/templates/admin/inc/branding.html
@@ -25,7 +25,7 @@ <h1>{{ site_header|default:_('Django Administration') }}</h1>
             {% endif %}
             {% if user.is_authenticated %}
                 <li>
-                    <form method="POST" action="{% url 'admin:logout' %}"> 
+                    <form method="POST" action="{% url 'admin:logout' %}">
                         {% csrf_token %}
                         <button type="submit">
                             <b>{% trans 'Log out' %} {% firstof user.get_short_name user.get_username %}</b>
diff --git a/djangocms_admin_style/templatetags/admin_style_tags.py b/djangocms_admin_style/templatetags/admin_style_tags.py
index 7231f420..10da7711 100644
--- a/djangocms_admin_style/templatetags/admin_style_tags.py
+++ b/djangocms_admin_style/templatetags/admin_style_tags.py
@@ -5,25 +5,24 @@
 from django.template.loader import render_to_string
 from django.utils.translation import gettext
 
-
 # We follow the Semantic versioning convention
 # minor - Refers to the minor release track (3.x.1)
 # patch - Refers to the patch release track (3.4.x)
-VALID_VERSION_CHECK_TYPES = ('minor', 'patch')
+VALID_VERSION_CHECK_TYPES = ("minor", "patch")
 
 register = template.Library()
 
 
 @register.simple_tag(takes_context=True)
 def current_site_name(context):
-    request = context.get('request')
+    request = context.get("request")
 
     try:
         site_name = get_current_site(request).name
     except AttributeError:
         # This happens if request is None
         # and sites framework is not in INSTALLED_APPS
-        site_name = gettext('my site')
+        site_name = gettext("my site")
     return conditional_escape(site_name)
 
 
@@ -35,13 +34,13 @@ def render_update_notification(context):
         check_type = None
         notifications_enabled = False
     else:
-        check_type = getattr(settings, 'CMS_UPDATE_CHECK_TYPE', 'patch')
-        notifications_enabled = getattr(settings, 'CMS_ENABLE_UPDATE_CHECK', True)
+        check_type = getattr(settings, "CMS_UPDATE_CHECK_TYPE", "patch")
+        notifications_enabled = getattr(settings, "CMS_ENABLE_UPDATE_CHECK", True)
 
-    request = context.get('request')
+    request = context.get("request")
 
     try:
-        index_page = request.resolver_match.url_name == 'index'
+        index_page = request.resolver_match.url_name == "index"
     except AttributeError:
         notifications_enabled = False
     else:
@@ -49,8 +48,8 @@ def render_update_notification(context):
 
     if notifications_enabled and check_type in VALID_VERSION_CHECK_TYPES:
         context = {
-            'cms_version': cms.__version__,
-            'cms_version_check_type': check_type,
+            "cms_version": cms.__version__,
+            "cms_version_check_type": check_type,
         }
-        return render_to_string('admin/inc/cms_upgrade_notification.html', context)
-    return ''
+        return render_to_string("admin/inc/cms_upgrade_notification.html", context)
+    return ""
diff --git a/pyproject.toml b/pyproject.toml
index 90e2b73c..c85507c3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,4 +1,15 @@
 [tool.ruff]
+line-length = 119
+
+extend-exclude = [
+  ".ruff_cache",
+  ".env",
+  ".venv",
+  ".po",
+  ".svg",
+]
+
+[tool.ruff.lint]
 select=[
   "E",  # pycodestyle errors
   "W",  # pycodestyle warnings
@@ -11,10 +22,3 @@ select=[
   "PLW", # pylint warning
   "UP", # pyupgrade
 ]
-
-extend-ignore = [
-    # TODO fix separately
-    "E501", # line too long
-    "I001", # import block unsorted
-    "C408", # unnecessary dict call
-]
diff --git a/setup.py b/setup.py
index f9c69c36..e0c7ec6e 100644
--- a/setup.py
+++ b/setup.py
@@ -5,68 +5,67 @@
 
 from djangocms_admin_style import __version__
 
-
 REQUIREMENTS = [
     "Django",
 ]
 
 
 CLASSIFIERS = [
-    'Development Status :: 5 - Production/Stable',
-    'Environment :: Web Environment',
-    'Intended Audience :: Developers',
-    'License :: OSI Approved :: BSD License',
-    'Operating System :: OS Independent',
-    'Programming Language :: Python',
-    'Programming Language :: Python :: 3',
-    'Programming Language :: Python :: 3.7',
-    'Programming Language :: Python :: 3.8',
-    'Programming Language :: Python :: 3.9',
-    'Programming Language :: Python :: 3.10',
-    'Programming Language :: Python :: 3.11',
-    'Framework :: Django',
-    'Framework :: Django :: 2.2',
-    'Framework :: Django :: 3.1',
-    'Framework :: Django :: 3.2',
-    'Framework :: Django :: 4.0',
-    'Framework :: Django :: 4.1',
-    'Framework :: Django :: 4.2',
-    'Framework :: Django :: 5.0',
-    'Framework :: Django CMS',
-    'Framework :: Django CMS :: 3.6',
-    'Framework :: Django CMS :: 3.7',
-    'Framework :: Django CMS :: 3.8',
-    'Framework :: Django CMS :: 3.8',
-    'Framework :: Django CMS :: 3.9',
-    'Framework :: Django CMS :: 3.10',
-    'Framework :: Django CMS :: 3.11',
-    'Framework :: Django CMS :: 4.0',
-    'Framework :: Django CMS :: 4.1',
-    'Topic :: Internet :: WWW/HTTP',
-    'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
-    'Topic :: Software Development',
-    'Topic :: Software Development :: Libraries',
+    "Development Status :: 5 - Production/Stable",
+    "Environment :: Web Environment",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: BSD License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Framework :: Django",
+    "Framework :: Django :: 2.2",
+    "Framework :: Django :: 3.1",
+    "Framework :: Django :: 3.2",
+    "Framework :: Django :: 4.0",
+    "Framework :: Django :: 4.1",
+    "Framework :: Django :: 4.2",
+    "Framework :: Django :: 5.0",
+    "Framework :: Django CMS",
+    "Framework :: Django CMS :: 3.6",
+    "Framework :: Django CMS :: 3.7",
+    "Framework :: Django CMS :: 3.8",
+    "Framework :: Django CMS :: 3.8",
+    "Framework :: Django CMS :: 3.9",
+    "Framework :: Django CMS :: 3.10",
+    "Framework :: Django CMS :: 3.11",
+    "Framework :: Django CMS :: 4.0",
+    "Framework :: Django CMS :: 4.1",
+    "Topic :: Internet :: WWW/HTTP",
+    "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
+    "Topic :: Software Development",
+    "Topic :: Software Development :: Libraries",
 ]
 
 this_directory = Path(__file__).parent
 long_description = (this_directory / "README.rst").read_text()
 
 setup(
-    name='djangocms-admin-style',
+    name="djangocms-admin-style",
     version=__version__,
-    author='Divio AG',
-    author_email='info@divio.ch',
-    maintainer='Django CMS Association and contributors',
-    maintainer_email='info@django-cms.org',
-    url='https://github.com/django-cms/djangocms-admin-style',
-    license='BSD-3-Clause',
-    description='Adds pretty CSS styles for the django CMS admin interface.',
+    author="Divio AG",
+    author_email="info@divio.ch",
+    maintainer="Django CMS Association and contributors",
+    maintainer_email="info@django-cms.org",
+    url="https://github.com/django-cms/djangocms-admin-style",
+    license="BSD-3-Clause",
+    description="Adds pretty CSS styles for the django CMS admin interface.",
     long_description=long_description,
-    packages=find_packages(exclude=['preview', 'tests']),
-    python_requires='>=3.7',
+    packages=find_packages(exclude=["preview", "tests"]),
+    python_requires=">=3.7",
     include_package_data=True,
     zip_safe=False,
     install_requires=REQUIREMENTS,
     classifiers=CLASSIFIERS,
-    test_suite='tests.settings.run',
+    test_suite="tests.settings.run",
 )
diff --git a/tests/settings-docker.py b/tests/settings-docker.py
index 55e93431..39e0b090 100644
--- a/tests/settings-docker.py
+++ b/tests/settings-docker.py
@@ -2,82 +2,72 @@
 import os
 import sys
 
-
 HELPER_SETTINGS = {
-    'INSTALLED_APPS': [
-        'djangocms_text_ckeditor',
+    "INSTALLED_APPS": [
+        "djangocms_text_ckeditor",
     ],
-    'CMS_LANGUAGES': {
+    "CMS_LANGUAGES": {
         1: [
             {
-                'code': 'en',
-                'name': 'English',
-                'fallbacks': ['de'],
-            },
-            {
-                'code': 'de',
-                'name': 'German',
-                'fallbacks': ['en'],
+                "code": "en",
+                "name": "English",
+                "fallbacks": ["de"],
             },
             {
-                'code': 'it',
-                'name': 'Italian',
-                'fallbacks': ['en'],
+                "code": "de",
+                "name": "German",
+                "fallbacks": ["en"],
             },
             {
-                'code': 'zh-cn',
-                'name': 'Chinese Simplified',
-                'fallbacks': ['en']
+                "code": "it",
+                "name": "Italian",
+                "fallbacks": ["en"],
             },
+            {"code": "zh-cn", "name": "Chinese Simplified", "fallbacks": ["en"]},
         ],
-        'default': {
-            'fallbacks': ['en', 'de'],
-            'redirect_on_fallback': False,
-            'public': True,
-            'hide_untranslated': False,
-        }
+        "default": {
+            "fallbacks": ["en", "de"],
+            "redirect_on_fallback": False,
+            "public": True,
+            "hide_untranslated": False,
+        },
     },
-    'LANGUAGES': (
-        ('en', 'English'),
-        ('de', 'Deutsch'),
-        ('it', 'Italiano'),
-        ('zh-cn', 'Chinese (Simplified)'),
+    "LANGUAGES": (
+        ("en", "English"),
+        ("de", "Deutsch"),
+        ("it", "Italiano"),
+        ("zh-cn", "Chinese (Simplified)"),
     ),
-    'LANGUAGE_CODE': 'en',
-    'ALLOWED_HOSTS': ['*'],
-    'USE_TZ': True,
-    'TIME_ZONE': 'Europe/Zurich',
-    'PARLER_LANGUAGES': {
+    "LANGUAGE_CODE": "en",
+    "ALLOWED_HOSTS": ["*"],
+    "USE_TZ": True,
+    "TIME_ZONE": "Europe/Zurich",
+    "PARLER_LANGUAGES": {
         1: (
-            {'code': 'en', 'fallbacks': ['de']},
-            {'code': 'de', 'fallbacks': ['en']},
-            {'code': 'it', 'fallbacks': ['en']},
-            {'code': 'zh-cn', 'fallbacks': ['en']},
+            {"code": "en", "fallbacks": ["de"]},
+            {"code": "de", "fallbacks": ["en"]},
+            {"code": "it", "fallbacks": ["en"]},
+            {"code": "zh-cn", "fallbacks": ["en"]},
         ),
-        'default': {
-            'fallback': 'en',
-            'hide_untranslated': False,
+        "default": {
+            "fallback": "en",
+            "hide_untranslated": False,
         },
     },
-    'PARLER_ENABLE_CACHING': False,
-    'CMS_CACHE_DURATIONS': {
-        'menus': 0,
-        'content': 0,
-        'permissions': 0,
+    "PARLER_ENABLE_CACHING": False,
+    "CMS_CACHE_DURATIONS": {
+        "menus": 0,
+        "content": 0,
+        "permissions": 0,
     },
-    'CMS_ENABLE_UPDATE_CHECK': False,
+    "CMS_ENABLE_UPDATE_CHECK": False,
     # required for integration tests
-    'LOGIN_URL': '/admin/login/?user-login=test',
-    'TEMPLATE_DIRS': (
-        os.path.join(
-            os.path.dirname(__file__),
-            'integration'
-        ),
-    ),
-    'CMS_TEMPLATES': (
-        ('fullwidth.html', 'Fullwidth'),
-        ('page.html', 'Standard page'),
-        ('simple.html', 'Simple page'),
+    "LOGIN_URL": "/admin/login/?user-login=test",
+    "TEMPLATE_DIRS": (os.path.join(os.path.dirname(__file__), "integration"),),
+    "CMS_TEMPLATES": (
+        ("fullwidth.html", "Fullwidth"),
+        ("page.html", "Standard page"),
+        ("simple.html", "Simple page"),
     ),
 }
 
@@ -85,12 +75,12 @@
 def run():
     from app_helper import runner
 
-    os.environ.setdefault('DATABASE_URL', 'sqlite://localhost/testdb.sqlite')
+    os.environ.setdefault("DATABASE_URL", "sqlite://localhost/testdb.sqlite")
 
     # we use '.runner()', not '.cms()' nor '.run()' because it does not
     # add 'test' argument implicitly
-    runner.runner([sys.argv[0], 'cms', '--cms', 'server', '--bind', '0.0.0.0'])
+    runner.runner([sys.argv[0], "cms", "--cms", "server", "--bind", "0.0.0.0"])
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     run()
diff --git a/tests/settings.py b/tests/settings.py
index 17595d68..6e4ef82a 100644
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -1,24 +1,27 @@
 #!/usr/bin/env python
 HELPER_SETTINGS = {
-    'INSTALLED_APPS': [
-        'djangocms_text_ckeditor',
+    "INSTALLED_APPS": [
+        "djangocms_text_ckeditor",
     ],
-    'CMS_LANGUAGES': {
-        1: [{
-            'code': 'en',
-            'name': 'English',
-        }]
+    "CMS_LANGUAGES": {
+        1: [
+            {
+                "code": "en",
+                "name": "English",
+            }
+        ]
     },
-    'LANGUAGE_CODE': 'en',
-    'ALLOWED_HOSTS': ['*'],
-    'CMS_CONFIRM_VERSION4': True,
+    "LANGUAGE_CODE": "en",
+    "ALLOWED_HOSTS": ["*"],
+    "CMS_CONFIRM_VERSION4": True,
 }
 
 
 def run():
     from app_helper import runner
-    runner.cms('djangocms_admin_style')
 
+    runner.cms("djangocms_admin_style")
 
-if __name__ == '__main__':
+
+if __name__ == "__main__":
     run()
diff --git a/tests/test_migrations.py b/tests/test_migrations.py
index 86309237..45c2e1b1 100644
--- a/tests/test_migrations.py
+++ b/tests/test_migrations.py
@@ -7,24 +7,23 @@
 
 
 class MigrationTestCase(TestCase):
-
     @override_settings(MIGRATION_MODULES={})
     def test_for_missing_migrations(self):
         output = io.StringIO()
         options = {
-            'interactive': False,
-            'dry_run': True,
-            'stdout': output,
-            'check_changes': True,
+            "interactive": False,
+            "dry_run": True,
+            "stdout": output,
+            "check_changes": True,
         }
 
         try:
-            call_command('makemigrations', 'djangocms_admin_style', **options)
+            call_command("makemigrations", "djangocms_admin_style", **options)
         except SystemExit as e:
             status_code = str(e)
         else:
             # the "no changes" exit code is 0
-            status_code = '0'
+            status_code = "0"
 
-        if status_code == '1':
-            self.fail(f'There are missing migrations:\n {output.getvalue()}')
+        if status_code == "1":
+            self.fail(f"There are missing migrations:\n {output.getvalue()}")
diff --git a/tests/test_templatetags.py b/tests/test_templatetags.py
index 61719467..0575b48b 100644
--- a/tests/test_templatetags.py
+++ b/tests/test_templatetags.py
@@ -1,8 +1,7 @@
+import cms
 from django.test import TestCase
 from django.test.client import RequestFactory
 
-import cms
-
 
 class Object:
     pass
@@ -16,25 +15,31 @@ def test_current_site_name(self):
         from djangocms_admin_style.templatetags.admin_style_tags import (
             current_site_name,
         )
-        site_name = current_site_name(dict())
+
+        site_name = current_site_name({})
         self.assertEqual(site_name, "example.com")  # Default name
 
-        with self.modify_settings(INSTALLED_APPS={
-            'remove': [
-                'django.contrib.sites',
-            ],
-        }):
-            site_name = current_site_name(dict())
+        with self.modify_settings(
+            INSTALLED_APPS={
+                "remove": [
+                    "django.contrib.sites",
+                ],
+            }
+        ):
+            site_name = current_site_name({})
             self.assertEqual(site_name, "my site")  # Generic name
 
     def test_render_update_notification(self):
         from djangocms_admin_style.templatetags.admin_style_tags import (
             render_update_notification,
         )
-        self.assertEqual(render_update_notification(dict()), "")  # No update notification
+
+        self.assertEqual(render_update_notification({}), "")  # No update notification
 
         request = self.request_factory.get("/")
         request.resolver_match = Object()
         request.resolver_match.url_name = "index"
-        self.assertIn(f'<meta name="djangocms_version" content="{cms.__version__}">',
-                      render_update_notification(dict(request=request)))
+        self.assertIn(
+            f'<meta name="djangocms_version" content="{cms.__version__}">',
+            render_update_notification({"request": request}),
+        )