diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 4e6a92c4..49bf8af0 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1 +1,53 @@
-repos: []
+# To enable this pre-commit hook run:
+# `pip install pre-commit` or `brew install pre-commit`
+# Then run `pre-commit install`
+
+# Learn more about this config here: https://pre-commit.com
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+      - id: check-toml
+      - id: check-yaml
+      - id: detect-private-key
+      - id: end-of-file-fixer
+      - id: mixed-line-ending
+      - id: requirements-txt-fixer
+      #- id: name-tests-test
+      #  args:
+      #    - --django
+      #- id: trailing-whitespace
+      #  args:
+      #    - --markdown-linebreak-ext=md
+
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.1.6
+    hooks:
+      - id: ruff
+        args:
+          - --ignore=DJ007,DJ008,PLW2901,UP031,UP032
+          - --line-length=119
+          - --select=ASYNC,C4,C90,DJ,E,F,PL,UP,W
+
+  - repo: https://github.com/psf/black
+    rev: 23.11.0
+    hooks:
+      - id: black
+        args:
+          - --skip-string-normalization
+          - --target-version=py38
+
+  - repo: https://github.com/codespell-project/codespell
+    rev: v2.2.6
+    hooks:
+      - id: codespell
+        additional_dependencies:
+          - tomli
+        args:
+          [--skip, "*.po"]
+
+  - repo: https://github.com/abravalheri/validate-pyproject
+    rev: v0.15
+    hooks:
+      - id: validate-pyproject
diff --git a/Makefile b/Makefile
index dd931ccc..e29945d5 100644
--- a/Makefile
+++ b/Makefile
@@ -20,7 +20,7 @@ docs:
 	$(MAKE) -C docs clean html
 
 test:
-	@flake8
+	@ruff .
 	@isort --check-only --diff formtools tests
 	@ python -W error::DeprecationWarning -W error::PendingDeprecationWarning -m coverage run `which django-admin` test tests
 	@coverage report
diff --git a/docs/conf.py b/docs/conf.py
index 9e6723b6..94e4daec 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -12,13 +12,13 @@
 import os
 import sys
 
-os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'tests.settings')
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "tests.settings")
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
-sys.path.insert(0, os.path.abspath('extensions'))
-sys.path.insert(0, os.path.abspath('..'))
+sys.path.insert(0, os.path.abspath("extensions"))
+sys.path.insert(0, os.path.abspath(".."))
 
 # -- General configuration -----------------------------------------------------
 
@@ -27,25 +27,31 @@
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['sphinx.ext.autodoc', 'sphinx.ext.intersphinx',
-              'sphinx.ext.todo', 'sphinx.ext.coverage', 'sphinx.ext.ifconfig',
-              'sphinx.ext.viewcode', 'settings']
+extensions = [
+    "sphinx.ext.autodoc",
+    "sphinx.ext.intersphinx",
+    "sphinx.ext.todo",
+    "sphinx.ext.coverage",
+    "sphinx.ext.ifconfig",
+    "sphinx.ext.viewcode",
+    "settings",
+]
 
 # Add any paths that contain templates here, relative to this directory.
 # templates_path = ['_templates']
 
 # The suffix of source filenames.
-source_suffix = '.rst'
+source_suffix = ".rst"
 
 # The encoding of source files.
 # source_encoding = 'utf-8-sig'
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # General information about the project.
-project = 'django-formtools'
-copyright = '2014, Django Software Foundation and individual contributors'
+project = "django-formtools"
+copyright = "2014, Django Software Foundation and individual contributors"
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -54,12 +60,13 @@
 # The short X.Y version.
 try:
     from formtools import __version__
+
     # The short X.Y version.
-    version = '.'.join(__version__.split('.')[:2])
+    version = ".".join(__version__.split(".")[:2])
     # The full version, including alpha/beta/rc tags.
     release = __version__
 except ImportError:
-    version = release = 'dev'
+    version = release = "dev"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -73,7 +80,7 @@
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
-exclude_patterns = ['_build']
+exclude_patterns = ["_build"]
 
 # The reST default role (used for this markup: `text`) to use for all documents.
 # default_role = None
@@ -90,7 +97,7 @@
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = "sphinx"
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
@@ -103,7 +110,7 @@
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'default'
+html_theme = "default"
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -176,7 +183,7 @@
 # html_file_suffix = None
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'django-formtoolsdoc'
+htmlhelp_basename = "django-formtoolsdoc"
 
 
 # -- Options for LaTeX output --------------------------------------------------
@@ -184,10 +191,8 @@
 latex_elements = {
     # The paper size ('letterpaper' or 'a4paper').
     # 'papersize': 'letterpaper',
-
     # The font size ('10pt', '11pt' or '12pt').
     # 'pointsize': '10pt',
-
     # Additional stuff for the LaTeX preamble.
     # 'preamble': '',
 }
@@ -195,8 +200,13 @@
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, documentclass [howto/manual]).
 latex_documents = [
-  ('index', 'django-formtools.tex', 'django-formtools Documentation',
-   'Django Software Foundation and individual contributors', 'manual'),
+    (
+        "index",
+        "django-formtools.tex",
+        "django-formtools Documentation",
+        "Django Software Foundation and individual contributors",
+        "manual",
+    ),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of
@@ -225,8 +235,13 @@
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    ('index', 'django-formtools', 'django-formtools Documentation',
-     ['Django Software Foundation and individual contributors'], 1)
+    (
+        "index",
+        "django-formtools",
+        "django-formtools Documentation",
+        ["Django Software Foundation and individual contributors"],
+        1,
+    )
 ]
 
 # If true, show URL addresses after external links.
@@ -239,9 +254,15 @@
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-  ('index', 'django-formtools', 'django-formtools Documentation',
-   'Django Software Foundation and individual contributors', 'django-formtools', 'One line description of project.',
-   'Miscellaneous'),
+    (
+        "index",
+        "django-formtools",
+        "django-formtools Documentation",
+        "Django Software Foundation and individual contributors",
+        "django-formtools",
+        "One line description of project.",
+        "Miscellaneous",
+    ),
 ]
 
 # Documents to append as an appendix to all manuals.
@@ -260,10 +281,10 @@
 # -- Options for Epub output ---------------------------------------------------
 
 # Bibliographic Dublin Core info.
-epub_title = 'django-formtools'
-epub_author = 'Django Software Foundation and individual contributors'
-epub_publisher = 'Django Software Foundation and individual contributors'
-epub_copyright = '2014, Django Software Foundation and individual contributors'
+epub_title = "django-formtools"
+epub_author = "Django Software Foundation and individual contributors"
+epub_publisher = "Django Software Foundation and individual contributors"
+epub_copyright = "2014, Django Software Foundation and individual contributors"
 
 # The language of the text. It defaults to the language option
 # or en if the language is not set.
@@ -317,7 +338,9 @@
 
 # Example configuration for intersphinx: refer to the Python standard library.
 intersphinx_mapping = {
-    'http://docs.python.org/': None,
-    'django': ('http://docs.djangoproject.com/en/dev/',
-               'http://docs.djangoproject.com/en/dev/_objects/'),
+    "http://docs.python.org/": None,
+    "django": (
+        "http://docs.djangoproject.com/en/dev/",
+        "http://docs.djangoproject.com/en/dev/_objects/",
+    ),
 }
diff --git a/formtools/preview.py b/formtools/preview.py
index 9482dde8..54c0d4ed 100644
--- a/formtools/preview.py
+++ b/formtools/preview.py
@@ -50,8 +50,7 @@ def unused_name(self, name):
 
     def preview_get(self, request):
         "Displays the form"
-        f = self.form(auto_id=self.get_auto_id(),
-                      initial=self.get_initial(request))
+        f = self.form(auto_id=self.get_auto_id(), initial=self.get_initial(request))
         return render(request, self.form_template, self.get_context(request, f))
 
     def preview_post(self, request):
@@ -61,7 +60,9 @@ def preview_post(self, request):
         """
         # Even if files are not supported in preview, we still initialize files
         # to give a chance to process_preview to access files content.
-        f = self.form(data=request.POST, files=request.FILES, auto_id=self.get_auto_id())
+        f = self.form(
+            data=request.POST, files=request.FILES, auto_id=self.get_auto_id()
+        )
         context = self.get_context(request, f)
         if f.is_valid():
             self.process_preview(request, f, context)
@@ -82,8 +83,8 @@ def post_post(self, request):
         form = self.form(request.POST, auto_id=self.get_auto_id())
         if form.is_valid():
             if not self._check_security_hash(
-                    request.POST.get(self.unused_name('hash'), ''),
-                    request, form):
+                request.POST.get(self.unused_name('hash'), ''), request, form
+            ):
                 return self.failed_hash(request)  # Security hash failed.
             return self.done(request, form.cleaned_data)
         else:
@@ -166,5 +167,7 @@ def done(self, request, cleaned_data):
         return an :class:`~django.http.HttpResponseRedirect`, e.g. to a
         success page.
         """
-        raise NotImplementedError('You must define a done() method on your '
-                                  '%s subclass.' % self.__class__.__name__)
+        raise NotImplementedError(
+            'You must define a done() method on your '
+            '%s subclass.' % self.__class__.__name__
+        )
diff --git a/formtools/wizard/forms.py b/formtools/wizard/forms.py
index 11cf4222..59037f2a 100644
--- a/formtools/wizard/forms.py
+++ b/formtools/wizard/forms.py
@@ -5,5 +5,6 @@ class ManagementForm(forms.Form):
     """
     ``ManagementForm`` is used to keep track of the current wizard step.
     """
+
     template_name = "django/forms/p.html"  # Remove when Django 5.0 is minimal version.
     current_step = forms.CharField(widget=forms.HiddenInput)
diff --git a/formtools/wizard/storage/__init__.py b/formtools/wizard/storage/__init__.py
index 66aa9ea1..6a8e81ca 100644
--- a/formtools/wizard/storage/__init__.py
+++ b/formtools/wizard/storage/__init__.py
@@ -4,7 +4,10 @@
 from .exceptions import MissingStorage, NoFileStorageConfigured
 
 __all__ = [
-    "BaseStorage", "MissingStorage", "NoFileStorageConfigured", "get_storage",
+    "BaseStorage",
+    "MissingStorage",
+    "NoFileStorageConfigured",
+    "get_storage",
 ]
 
 
diff --git a/formtools/wizard/storage/base.py b/formtools/wizard/storage/base.py
index ac2cf73e..dff5053c 100644
--- a/formtools/wizard/storage/base.py
+++ b/formtools/wizard/storage/base.py
@@ -90,7 +90,8 @@ def get_step_files(self, step):
         if wizard_files and not self.file_storage:
             raise NoFileStorageConfigured(
                 "You need to define 'file_storage' in your "
-                "wizard view in order to handle file uploads.")
+                "wizard view in order to handle file uploads."
+            )
 
         files = {}
         for field, field_dict in wizard_files.items():
@@ -98,7 +99,8 @@ def get_step_files(self, step):
             tmp_name = field_dict.pop('tmp_name')
             if (step, field) not in self._files:
                 self._files[(step, field)] = UploadedFile(
-                    file=self.file_storage.open(tmp_name), **field_dict)
+                    file=self.file_storage.open(tmp_name), **field_dict
+                )
             files[field] = self._files[(step, field)]
         return files or None
 
@@ -106,7 +108,8 @@ def set_step_files(self, step, files):
         if files and not self.file_storage:
             raise NoFileStorageConfigured(
                 "You need to define 'file_storage' in your "
-                "wizard view in order to handle file uploads.")
+                "wizard view in order to handle file uploads."
+            )
 
         if step not in self.data[self.step_files_key]:
             self.data[self.step_files_key][step] = {}
@@ -118,7 +121,7 @@ def set_step_files(self, step, files):
                 'name': field_file.name,
                 'content_type': field_file.content_type,
                 'size': field_file.size,
-                'charset': field_file.charset
+                'charset': field_file.charset,
             }
             self.data[self.step_files_key][step][field] = file_dict
 
diff --git a/formtools/wizard/storage/cookie.py b/formtools/wizard/storage/cookie.py
index 2becc48a..c9f613d3 100644
--- a/formtools/wizard/storage/cookie.py
+++ b/formtools/wizard/storage/cookie.py
@@ -21,7 +21,6 @@ def load_data(self):
     def update_response(self, response):
         super().update_response(response)
         if self.data:
-            response.set_signed_cookie(self.prefix,
-                                       self.encoder.encode(self.data))
+            response.set_signed_cookie(self.prefix, self.encoder.encode(self.data))
         else:
             response.delete_cookie(self.prefix)
diff --git a/formtools/wizard/storage/session.py b/formtools/wizard/storage/session.py
index c6ba7b85..6715af25 100644
--- a/formtools/wizard/storage/session.py
+++ b/formtools/wizard/storage/session.py
@@ -2,7 +2,6 @@
 
 
 class SessionStorage(BaseStorage):
-
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         if self.prefix not in self.request.session:
diff --git a/formtools/wizard/views.py b/formtools/wizard/views.py
index 07e0a6b7..f00fafae 100644
--- a/formtools/wizard/views.py
+++ b/formtools/wizard/views.py
@@ -30,7 +30,6 @@ def normalize_name(name):
 
 
 class StepsHelper:
-
     def __init__(self, wizard):
         self._wizard = wizard
 
@@ -101,6 +100,7 @@ class WizardView(TemplateView):
     storage and validation stuff. The wizard is based on Django's generic
     class based views.
     """
+
     storage_name = None
     form_list = None
     initial_dict = None
@@ -122,8 +122,15 @@ def as_view(cls, *args, **kwargs):
         return super().as_view(**initkwargs)
 
     @classmethod
-    def get_initkwargs(cls, form_list=None, initial_dict=None, instance_dict=None,
-                       condition_dict=None, *args, **kwargs):
+    def get_initkwargs(
+        cls,
+        form_list=None,
+        initial_dict=None,
+        instance_dict=None,
+        condition_dict=None,
+        *args,
+        **kwargs,
+    ):
         """
         Creates a dict with all needed parameters for the form wizard instances
 
@@ -146,22 +153,31 @@ def get_initkwargs(cls, form_list=None, initial_dict=None, instance_dict=None,
           will be called with the wizardview instance as the only argument.
           If the return value is true, the step's form will be used.
         """
-        kwargs.update({
-            'initial_dict': (
-                initial_dict or
-                kwargs.pop('initial_dict', getattr(cls, 'initial_dict', None)) or {}
-            ),
-            'instance_dict': (
-                instance_dict or
-                kwargs.pop('instance_dict', getattr(cls, 'instance_dict', None)) or {}
-            ),
-            'condition_dict': (
-                condition_dict or
-                kwargs.pop('condition_dict', getattr(cls, 'condition_dict', None)) or {}
-            )
-        })
+        kwargs.update(
+            {
+                'initial_dict': (
+                    initial_dict
+                    or kwargs.pop('initial_dict', getattr(cls, 'initial_dict', None))
+                    or {}
+                ),
+                'instance_dict': (
+                    instance_dict
+                    or kwargs.pop('instance_dict', getattr(cls, 'instance_dict', None))
+                    or {}
+                ),
+                'condition_dict': (
+                    condition_dict
+                    or kwargs.pop(
+                        'condition_dict', getattr(cls, 'condition_dict', None)
+                    )
+                    or {}
+                ),
+            }
+        )
 
-        form_list = form_list or kwargs.pop('form_list', getattr(cls, 'form_list', None)) or []
+        form_list = (
+            form_list or kwargs.pop('form_list', getattr(cls, 'form_list', None)) or []
+        )
 
         computed_form_list = OrderedDict()
 
@@ -186,8 +202,9 @@ def get_initkwargs(cls, form_list=None, initial_dict=None, instance_dict=None,
             # check if any form contains a FileField, if yes, we need a
             # file_storage added to the wizardview (by subclassing).
             for field in form.base_fields.values():
-                if (isinstance(field, forms.FileField) and
-                        not hasattr(cls, 'file_storage')):
+                if isinstance(field, forms.FileField) and not hasattr(
+                    cls, 'file_storage'
+                ):
                     raise NoFileStorageConfigured(
                         "You need to define 'file_storage' in your "
                         "wizard view in order to handle file uploads."
@@ -243,7 +260,9 @@ def dispatch(self, request, *args, **kwargs):
         # add the storage engine to the current wizardview instance
         self.prefix = self.get_prefix(request, *args, **kwargs)
         self.storage = get_storage(
-            self.storage_name, self.prefix, request,
+            self.storage_name,
+            self.prefix,
+            request,
             getattr(self, 'file_storage', None),
         )
         self.steps = StepsHelper(self)
@@ -285,11 +304,15 @@ def post(self, *args, **kwargs):
         # Check if form was refreshed
         management_form = ManagementForm(self.request.POST, prefix=self.prefix)
         if not management_form.is_valid():
-            raise SuspiciousOperation(_('ManagementForm data is missing or has been tampered.'))
+            raise SuspiciousOperation(
+                _('ManagementForm data is missing or has been tampered.')
+            )
 
         form_current_step = management_form.cleaned_data['current_step']
-        if (form_current_step != self.steps.current and
-                self.storage.current_step is not None):
+        if (
+            form_current_step != self.steps.current
+            and self.storage.current_step is not None
+        ):
             # form refreshed, change current step
             self.storage.current_step = form_current_step
 
@@ -300,7 +323,9 @@ def post(self, *args, **kwargs):
         if form.is_valid():
             # if the form is valid, store the cleaned data and files.
             self.storage.set_step_data(self.steps.current, self.process_step(form))
-            self.storage.set_step_files(self.steps.current, self.process_step_files(form))
+            self.storage.set_step_files(
+                self.steps.current, self.process_step_files(form)
+            )
 
             # check if the current step is the last step
             if self.steps.current == self.steps.last:
@@ -336,7 +361,8 @@ def render_goto_step(self, goto_step, **kwargs):
         self.storage.current_step = goto_step
         form = self.get_form(
             data=self.storage.get_step_data(self.steps.current),
-            files=self.storage.get_step_files(self.steps.current))
+            files=self.storage.get_step_files(self.steps.current),
+        )
         return self.render(form, **kwargs)
 
     def render_done(self, form, **kwargs):
@@ -352,7 +378,7 @@ def render_done(self, form, **kwargs):
             form_obj = self.get_form(
                 step=form_key,
                 data=self.storage.get_step_data(form_key),
-                files=self.storage.get_step_files(form_key)
+                files=self.storage.get_step_files(form_key),
             )
             if not form_obj.is_valid():
                 return self.render_revalidation_failure(form_key, form_obj, **kwargs)
@@ -361,7 +387,9 @@ def render_done(self, form, **kwargs):
         # render the done view and reset the wizard before returning the
         # response. This is needed to prevent from rendering done with the
         # same data twice.
-        done_response = self.done(list(final_forms.values()), form_dict=final_forms, **kwargs)
+        done_response = self.done(
+            list(final_forms.values()), form_dict=final_forms, **kwargs
+        )
         self.storage.reset()
         return done_response
 
@@ -415,12 +443,14 @@ def get_form(self, step=None, data=None, files=None):
         form_class = self.get_form_list()[step]
         # prepare the kwargs for the form instance.
         kwargs = self.get_form_kwargs(step)
-        kwargs.update({
-            'data': data,
-            'files': files,
-            'prefix': self.get_form_prefix(step, form_class),
-            'initial': self.get_form_initial(step),
-        })
+        kwargs.update(
+            {
+                'data': data,
+                'files': files,
+                'prefix': self.get_form_prefix(step, form_class),
+                'initial': self.get_form_initial(step),
+            }
+        )
         if issubclass(form_class, (forms.ModelForm, forms.models.BaseInlineFormSet)):
             # If the form is based on ModelForm or InlineFormSet,
             # add instance if available and not previously set.
@@ -479,13 +509,13 @@ def get_all_cleaned_data(self):
             form_obj = self.get_form(
                 step=form_key,
                 data=self.storage.get_step_data(form_key),
-                files=self.storage.get_step_files(form_key)
+                files=self.storage.get_step_files(form_key),
             )
             if form_obj.is_valid():
                 if isinstance(form_obj.cleaned_data, (tuple, list)):
-                    cleaned_data.update({
-                        'formset-%s' % form_key: form_obj.cleaned_data
-                    })
+                    cleaned_data.update(
+                        {'formset-%s' % form_key: form_obj.cleaned_data}
+                    )
                 else:
                     cleaned_data.update(form_obj.cleaned_data)
         return cleaned_data
@@ -582,9 +612,12 @@ def get_context_data(self, form, **kwargs):
         context['wizard'] = {
             'form': form,
             'steps': self.steps,
-            'management_form': ManagementForm(prefix=self.prefix, initial={
-                'current_step': self.steps.current,
-            }),
+            'management_form': ManagementForm(
+                prefix=self.prefix,
+                initial={
+                    'current_step': self.steps.current,
+                },
+            ),
         }
         return context
 
@@ -611,6 +644,7 @@ class SessionWizardView(WizardView):
     """
     A WizardView with pre-configured SessionStorage backend.
     """
+
     storage_name = 'formtools.wizard.storage.session.SessionStorage'
 
 
@@ -618,6 +652,7 @@ class CookieWizardView(WizardView):
     """
     A WizardView with pre-configured CookieStorage backend.
     """
+
     storage_name = 'formtools.wizard.storage.cookie.CookieStorage'
 
 
@@ -625,6 +660,7 @@ class NamedUrlWizardView(WizardView):
     """
     A WizardView with URL named steps support.
     """
+
     url_name = None
     done_step_name = None
 
@@ -642,8 +678,9 @@ def get_initkwargs(cls, *args, **kwargs):
         initkwargs = super().get_initkwargs(*args, **kwargs)
         initkwargs.update(extra_kwargs)
 
-        assert initkwargs['done_step_name'] not in initkwargs['form_list'], \
+        assert initkwargs['done_step_name'] not in initkwargs['form_list'], (
             'step name "%s" is reserved for "done" view' % initkwargs['done_step_name']
+        )
         return initkwargs
 
     def get_step_url(self, step):
@@ -691,7 +728,7 @@ def get(self, *args, **kwargs):
                     data=self.storage.current_step_data,
                     files=self.storage.current_step_files,
                 ),
-                **kwargs
+                **kwargs,
             )
 
         # invalid step name, reset to first and redirect.
@@ -757,6 +794,7 @@ class NamedUrlSessionWizardView(NamedUrlWizardView):
     """
     A NamedUrlWizardView with pre-configured SessionStorage backend.
     """
+
     storage_name = 'formtools.wizard.storage.session.SessionStorage'
 
 
@@ -764,4 +802,5 @@ class NamedUrlCookieWizardView(NamedUrlWizardView):
     """
     A NamedUrlFormWizard with pre-configured CookieStorageBackend.
     """
+
     storage_name = 'formtools.wizard.storage.cookie.CookieStorage'
diff --git a/setup.cfg b/setup.cfg
index 5f2896ee..5a4a9a51 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,3 @@
-[flake8]
-max-line-length = 119
-
 [isort]
 combine_as_imports = true
 default_section = THIRDPARTY
diff --git a/setup.py b/setup.py
index 42cd4a9b..b8d24ea5 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@ def read(*parts):
     setup_requires=["setuptools_scm"],
     url="https://django-formtools.readthedocs.io/en/latest/",
     project_urls={
-        "Source": 'https://github.com/jazzband/django-formtools',
+        "Source": "https://github.com/jazzband/django-formtools",
     },
     license="BSD",
     description="A set of high-level abstractions for Django forms",
diff --git a/tests/requirements.txt b/tests/requirements.txt
index e0c7a889..d17a8c31 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -1,3 +1,3 @@
 coverage==7.3.2
-flake8
 isort>=5.11.1, <6.0
+ruff
diff --git a/tests/settings.py b/tests/settings.py
index f3df07ea..38885e7c 100644
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -19,7 +19,7 @@
 CACHES = {
     'default': {
         'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
-        'LOCATION': 'spam-and-eggs'
+        'LOCATION': 'spam-and-eggs',
     }
 }
 
@@ -31,10 +31,12 @@
 
 SITE_ID = 1
 
-TEMPLATES = [{
-    'BACKEND': 'django.template.backends.django.DjangoTemplates',
-    'APP_DIRS': True,
-}]
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'APP_DIRS': True,
+    }
+]
 
 MEDIA_ROOT = 'media'
 STATIC_ROOT = 'static'
diff --git a/tests/tests.py b/tests/tests.py
index f9a2a35b..af59390a 100644
--- a/tests/tests.py
+++ b/tests/tests.py
@@ -6,14 +6,18 @@
 
 from django import http
 from django.core.files.uploadedfile import (
-    InMemoryUploadedFile, TemporaryUploadedFile,
+    InMemoryUploadedFile,
+    TemporaryUploadedFile,
 )
 from django.test import TestCase, override_settings
 
 from formtools import preview, utils
 
 from .forms import (
-    HashTestBlankForm, HashTestForm, HashTestFormWithFile, TestForm,
+    HashTestBlankForm,
+    HashTestForm,
+    HashTestFormWithFile,
+    TestForm,
 )
 
 success_string = "Done was called!"
@@ -37,15 +41,16 @@ def done(self, request, cleaned_data):
 
 
 @override_settings(
-    TEMPLATES=[{
-        'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'DIRS': [os.path.join(os.path.dirname(__file__), 'templates')],
-        'APP_DIRS': True,
-    }],
+    TEMPLATES=[
+        {
+            'BACKEND': 'django.template.backends.django.DjangoTemplates',
+            'DIRS': [os.path.join(os.path.dirname(__file__), 'templates')],
+            'APP_DIRS': True,
+        }
+    ],
     ROOT_URLCONF='tests.urls',
 )
 class PreviewTests(TestCase):
-
     def setUp(self):
         super().setUp()
         # Create a FormPreview instance to share between tests
@@ -174,7 +179,6 @@ def test_form_submit_bad_hash(self):
 
 
 class FormHmacTests(unittest.TestCase):
-
     def test_textfield_hash(self):
         """
         Regression test for #10034: the hash generation function should ignore
@@ -199,7 +203,9 @@ def test_empty_permitted(self):
         self.assertEqual(hash1, hash2)
 
     def test_hash_with_file(self):
-        with InMemoryUploadedFile(StringIO('1'), '', 'test', 'text/plain', 1, 'utf8') as some_file:
+        with InMemoryUploadedFile(
+            StringIO('1'), '', 'test', 'text/plain', 1, 'utf8'
+        ) as some_file:
             f1 = HashTestFormWithFile({'name': 'joe'})
             f2 = HashTestFormWithFile({'name': 'joe'}, files={'attachment': some_file})
             hash1 = utils.form_hmac(f1)
diff --git a/tests/wizard/namedwizardtests/forms.py b/tests/wizard/namedwizardtests/forms.py
index 54876206..2052b31a 100644
--- a/tests/wizard/namedwizardtests/forms.py
+++ b/tests/wizard/namedwizardtests/forms.py
@@ -37,11 +37,13 @@ class ContactWizard(NamedUrlWizardView):
     file_storage = temp_storage
 
     def done(self, form_list, **kwargs):
-        c = Context({
-            'form_list': [x.cleaned_data for x in form_list],
-            'form_dict': kwargs.get('form_dict'),
-            'all_cleaned_data': self.get_all_cleaned_data()
-        })
+        c = Context(
+            {
+                'form_list': [x.cleaned_data for x in form_list],
+                'form_dict': kwargs.get('form_dict'),
+                'all_cleaned_data': self.get_all_cleaned_data(),
+            }
+        )
 
         for form in self.form_list.keys():
             c[form] = self.get_cleaned_data_for_step(form)
diff --git a/tests/wizard/namedwizardtests/tests.py b/tests/wizard/namedwizardtests/tests.py
index c1dc1faa..14062d2c 100644
--- a/tests/wizard/namedwizardtests/tests.py
+++ b/tests/wizard/namedwizardtests/tests.py
@@ -6,7 +6,8 @@
 from django.urls import reverse
 
 from formtools.wizard.views import (
-    NamedUrlCookieWizardView, NamedUrlSessionWizardView,
+    NamedUrlCookieWizardView,
+    NamedUrlSessionWizardView,
 )
 
 from ..test_forms import Step1, Step2, get_request
@@ -16,7 +17,6 @@
 
 
 class NamedWizardTests:
-
     def setUp(self):
         self.testuser, created = User.objects.get_or_create(username='testuser1')
         # Get new step data, since we modify it during the tests.
@@ -50,31 +50,35 @@ def test_initial_call(self):
 
     def test_initial_call_with_params(self):
         get_params = {'getvar1': 'getval1', 'getvar2': 'getval2'}
-        response = self.client.get(reverse('%s_start' % self.wizard_urlname),
-                                   get_params)
+        response = self.client.get(
+            reverse('%s_start' % self.wizard_urlname), get_params
+        )
         self.assertEqual(response.status_code, 302)
 
         # Test for proper redirect GET parameters
         location = response.url
         self.assertNotEqual(location.find('?'), -1)
-        querydict = QueryDict(location[location.find('?') + 1:])
+        querydict = QueryDict(location[location.find('?') + 1 :])
         self.assertEqual(dict(querydict.items()), get_params)
 
     def test_form_post_error(self):
         response = self.client.post(
             reverse(self.wizard_urlname, kwargs={'step': 'form1'}),
-            self.wizard_step_1_data)
+            self.wizard_step_1_data,
+        )
 
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.context['wizard']['steps'].current, 'form1')
-        self.assertEqual(response.context['wizard']['form'].errors,
-                         {'name': ['This field is required.'],
-                          'user': ['This field is required.']})
+        self.assertEqual(
+            response.context['wizard']['form'].errors,
+            {'name': ['This field is required.'], 'user': ['This field is required.']},
+        )
 
     def test_form_post_success(self):
         response = self.client.post(
             reverse(self.wizard_urlname, kwargs={'step': 'form1'}),
-            self.wizard_step_data[0])
+            self.wizard_step_data[0],
+        )
         response = self.client.get(response.url)
 
         self.assertEqual(response.status_code, 200)
@@ -86,23 +90,28 @@ def test_form_post_success(self):
 
     def test_form_stepback(self):
         response = self.client.get(
-            reverse(self.wizard_urlname, kwargs={'step': 'form1'}))
+            reverse(self.wizard_urlname, kwargs={'step': 'form1'})
+        )
 
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.context['wizard']['steps'].current, 'form1')
 
         response = self.client.post(
             reverse(self.wizard_urlname, kwargs={'step': 'form1'}),
-            self.wizard_step_data[0])
+            self.wizard_step_data[0],
+        )
         response = self.client.get(response.url)
 
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.context['wizard']['steps'].current, 'form2')
 
         response = self.client.post(
-            reverse(self.wizard_urlname, kwargs={
-                'step': response.context['wizard']['steps'].current
-            }), {'wizard_goto_step': response.context['wizard']['steps'].prev})
+            reverse(
+                self.wizard_urlname,
+                kwargs={'step': response.context['wizard']['steps'].current},
+            ),
+            {'wizard_goto_step': response.context['wizard']['steps'].prev},
+        )
         response = self.client.get(response.url)
 
         self.assertEqual(response.status_code, 200)
@@ -110,27 +119,33 @@ def test_form_stepback(self):
 
     def test_form_jump(self):
         response = self.client.get(
-            reverse(self.wizard_urlname, kwargs={'step': 'form1'}))
+            reverse(self.wizard_urlname, kwargs={'step': 'form1'})
+        )
 
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.context['wizard']['steps'].current, 'form1')
 
         response = self.client.get(
-            reverse(self.wizard_urlname, kwargs={'step': 'form3'}))
+            reverse(self.wizard_urlname, kwargs={'step': 'form3'})
+        )
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.context['wizard']['steps'].current, 'form3')
 
     def test_form_finish(self):
         response = self.client.get(
-            reverse(self.wizard_urlname, kwargs={'step': 'form1'}))
+            reverse(self.wizard_urlname, kwargs={'step': 'form1'})
+        )
 
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.context['wizard']['steps'].current, 'form1')
 
         response = self.client.post(
-            reverse(self.wizard_urlname,
-                    kwargs={'step': response.context['wizard']['steps'].current}),
-            self.wizard_step_data[0])
+            reverse(
+                self.wizard_urlname,
+                kwargs={'step': response.context['wizard']['steps'].current},
+            ),
+            self.wizard_step_data[0],
+        )
         response = self.client.get(response.url)
 
         self.assertEqual(response.status_code, 200)
@@ -140,9 +155,12 @@ def test_form_finish(self):
         with open(__file__, 'rb') as post_file:
             post_data['form2-file1'] = post_file
             response = self.client.post(
-                reverse(self.wizard_urlname,
-                        kwargs={'step': response.context['wizard']['steps'].current}),
-                post_data)
+                reverse(
+                    self.wizard_urlname,
+                    kwargs={'step': response.context['wizard']['steps'].current},
+                ),
+                post_data,
+            )
         response = self.client.get(response.url)
 
         self.assertEqual(response.status_code, 200)
@@ -153,18 +171,24 @@ def test_form_finish(self):
             self.assertEqual(f.read(), f2.read())
 
         response = self.client.post(
-            reverse(self.wizard_urlname,
-                    kwargs={'step': response.context['wizard']['steps'].current}),
-            self.wizard_step_data[2])
+            reverse(
+                self.wizard_urlname,
+                kwargs={'step': response.context['wizard']['steps'].current},
+            ),
+            self.wizard_step_data[2],
+        )
         response = self.client.get(response.url)
 
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.context['wizard']['steps'].current, 'form4')
 
         response = self.client.post(
-            reverse(self.wizard_urlname,
-                    kwargs={'step': response.context['wizard']['steps'].current}),
-            self.wizard_step_data[3])
+            reverse(
+                self.wizard_urlname,
+                kwargs={'step': response.context['wizard']['steps'].current},
+            ),
+            self.wizard_step_data[3],
+        )
         response = self.client.get(response.url)
         self.assertEqual(response.status_code, 200)
 
@@ -173,21 +197,29 @@ def test_form_finish(self):
 
         all_data = response.context['form_list']
         del all_data[1]['file1']
-        self.assertEqual(all_data, [
-            {'name': 'Pony', 'thirsty': True, 'user': self.testuser},
-            {'address1': '123 Main St', 'address2': 'Djangoland'},
-            {'random_crap': 'blah blah'},
-            [{'random_crap': 'blah blah'}, {'random_crap': 'blah blah'}]])
+        self.assertEqual(
+            all_data,
+            [
+                {'name': 'Pony', 'thirsty': True, 'user': self.testuser},
+                {'address1': '123 Main St', 'address2': 'Djangoland'},
+                {'random_crap': 'blah blah'},
+                [{'random_crap': 'blah blah'}, {'random_crap': 'blah blah'}],
+            ],
+        )
 
     def test_cleaned_data(self):
         response = self.client.get(
-            reverse(self.wizard_urlname, kwargs={'step': 'form1'}))
+            reverse(self.wizard_urlname, kwargs={'step': 'form1'})
+        )
         self.assertEqual(response.status_code, 200)
 
         response = self.client.post(
-            reverse(self.wizard_urlname,
-                    kwargs={'step': response.context['wizard']['steps'].current}),
-            self.wizard_step_data[0])
+            reverse(
+                self.wizard_urlname,
+                kwargs={'step': response.context['wizard']['steps'].current},
+            ),
+            self.wizard_step_data[0],
+        )
         response = self.client.get(response.url)
         self.assertEqual(response.status_code, 200)
 
@@ -195,9 +227,12 @@ def test_cleaned_data(self):
         with open(__file__, 'rb') as post_file:
             post_data['form2-file1'] = post_file
             response = self.client.post(
-                reverse(self.wizard_urlname,
-                        kwargs={'step': response.context['wizard']['steps'].current}),
-                post_data)
+                reverse(
+                    self.wizard_urlname,
+                    kwargs={'step': response.context['wizard']['steps'].current},
+                ),
+                post_data,
+            )
         response = self.client.get(response.url)
         self.assertEqual(response.status_code, 200)
         self.assertTrue(temp_storage.exists(UPLOADED_FILE_NAME))
@@ -210,16 +245,22 @@ def test_cleaned_data(self):
             self.assertEqual(f.read(), f2.read())
 
         response = self.client.post(
-            reverse(self.wizard_urlname,
-                    kwargs={'step': response.context['wizard']['steps'].current}),
-            self.wizard_step_data[2])
+            reverse(
+                self.wizard_urlname,
+                kwargs={'step': response.context['wizard']['steps'].current},
+            ),
+            self.wizard_step_data[2],
+        )
         response = self.client.get(response.url)
         self.assertEqual(response.status_code, 200)
 
         response = self.client.post(
-            reverse(self.wizard_urlname,
-                    kwargs={'step': response.context['wizard']['steps'].current}),
-            self.wizard_step_data[3])
+            reverse(
+                self.wizard_urlname,
+                kwargs={'step': response.context['wizard']['steps'].current},
+            ),
+            self.wizard_step_data[3],
+        )
         response = self.client.get(response.url)
         self.assertEqual(response.status_code, 200)
 
@@ -230,27 +271,40 @@ def test_cleaned_data(self):
         del all_data['file1']
         self.assertEqual(
             all_data,
-            {'name': 'Pony', 'thirsty': True, 'user': self.testuser,
-             'address1': '123 Main St', 'address2': 'Djangoland',
-             'random_crap': 'blah blah', 'formset-form4': [
-                 {'random_crap': 'blah blah'},
-                 {'random_crap': 'blah blah'}
-             ]})
+            {
+                'name': 'Pony',
+                'thirsty': True,
+                'user': self.testuser,
+                'address1': '123 Main St',
+                'address2': 'Djangoland',
+                'random_crap': 'blah blah',
+                'formset-form4': [
+                    {'random_crap': 'blah blah'},
+                    {'random_crap': 'blah blah'},
+                ],
+            },
+        )
 
         form_dict = response.context['form_dict']
         self.assertIn('form1', form_dict.keys())
         self.assertIn('form2', form_dict.keys())
-        self.assertEqual(form_dict['form1'].cleaned_data, response.context['form_list'][0])
+        self.assertEqual(
+            form_dict['form1'].cleaned_data, response.context['form_list'][0]
+        )
 
     def test_manipulated_data(self):
         response = self.client.get(
-            reverse(self.wizard_urlname, kwargs={'step': 'form1'}))
+            reverse(self.wizard_urlname, kwargs={'step': 'form1'})
+        )
         self.assertEqual(response.status_code, 200)
 
         response = self.client.post(
-            reverse(self.wizard_urlname,
-                    kwargs={'step': response.context['wizard']['steps'].current}),
-            self.wizard_step_data[0])
+            reverse(
+                self.wizard_urlname,
+                kwargs={'step': response.context['wizard']['steps'].current},
+            ),
+            self.wizard_step_data[0],
+        )
         response = self.client.get(response.url)
         self.assertEqual(response.status_code, 200)
 
@@ -258,16 +312,22 @@ def test_manipulated_data(self):
         with open(__file__, 'rb') as post_file:
             post_data['form2-file1'] = post_file
             response = self.client.post(
-                reverse(self.wizard_urlname,
-                        kwargs={'step': response.context['wizard']['steps'].current}),
-                post_data)
+                reverse(
+                    self.wizard_urlname,
+                    kwargs={'step': response.context['wizard']['steps'].current},
+                ),
+                post_data,
+            )
         response = self.client.get(response.url)
         self.assertEqual(response.status_code, 200)
 
         response = self.client.post(
-            reverse(self.wizard_urlname,
-                    kwargs={'step': response.context['wizard']['steps'].current}),
-            self.wizard_step_data[2])
+            reverse(
+                self.wizard_urlname,
+                kwargs={'step': response.context['wizard']['steps'].current},
+            ),
+            self.wizard_step_data[2],
+        )
         loc = response.url
         response = self.client.get(loc)
         self.assertEqual(response.status_code, 200, loc)
@@ -276,9 +336,12 @@ def test_manipulated_data(self):
         self.client.cookies.pop('wizard_cookie_contact_wizard', None)
 
         response = self.client.post(
-            reverse(self.wizard_urlname,
-                    kwargs={'step': response.context['wizard']['steps'].current}),
-            self.wizard_step_data[3])
+            reverse(
+                self.wizard_urlname,
+                kwargs={'step': response.context['wizard']['steps'].current},
+            ),
+            self.wizard_step_data[3],
+        )
 
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.context['wizard']['steps'].current, 'form1')
@@ -286,13 +349,15 @@ def test_manipulated_data(self):
     def test_form_reset(self):
         response = self.client.post(
             reverse(self.wizard_urlname, kwargs={'step': 'form1'}),
-            self.wizard_step_data[0])
+            self.wizard_step_data[0],
+        )
         response = self.client.get(response.url)
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.context['wizard']['steps'].current, 'form2')
 
         response = self.client.get(
-            '%s?reset=1' % reverse('%s_start' % self.wizard_urlname))
+            '%s?reset=1' % reverse('%s_start' % self.wizard_urlname)
+        )
         self.assertEqual(response.status_code, 302)
 
         response = self.client.get(response.url)
@@ -328,7 +393,7 @@ class NamedSessionWizardTests(NamedWizardTests, TestCase):
             'form4-0-random_crap': 'blah blah',
             'form4-1-random_crap': 'blah blah',
             'session_contact_wizard-current_step': 'form4',
-        }
+        },
     )
 
 
@@ -360,18 +425,17 @@ class NamedCookieWizardTests(NamedWizardTests, TestCase):
             'form4-0-random_crap': 'blah blah',
             'form4-1-random_crap': 'blah blah',
             'cookie_contact_wizard-current_step': 'form4',
-        }
+        },
     )
 
 
 class NamedFormTests:
-
     def test_revalidation(self):
         request = get_request()
 
         testform = self.formwizard_class.as_view(
-            [('start', Step1), ('step2', Step2)],
-            url_name=self.wizard_urlname)
+            [('start', Step1), ('step2', Step2)], url_name=self.wizard_urlname
+        )
         response, instance = testform(request, step='done')
 
         instance.render_done(None)
@@ -379,14 +443,12 @@ def test_revalidation(self):
 
 
 class TestNamedUrlSessionWizardView(NamedUrlSessionWizardView):
-
     def dispatch(self, request, *args, **kwargs):
         response = super().dispatch(request, *args, **kwargs)
         return response, self
 
 
 class TestNamedUrlCookieWizardView(NamedUrlCookieWizardView):
-
     def dispatch(self, request, *args, **kwargs):
         response = super().dispatch(request, *args, **kwargs)
         return response, self
diff --git a/tests/wizard/namedwizardtests/urls.py b/tests/wizard/namedwizardtests/urls.py
index 2eb7eef6..9a2c9228 100644
--- a/tests/wizard/namedwizardtests/urls.py
+++ b/tests/wizard/namedwizardtests/urls.py
@@ -1,7 +1,12 @@
 from django.urls import path, re_path
 
 from .forms import (
-    CookieContactWizard, Page1, Page2, Page3, Page4, SessionContactWizard,
+    CookieContactWizard,
+    Page1,
+    Page2,
+    Page3,
+    Page4,
+    SessionContactWizard,
 )
 
 
@@ -9,7 +14,7 @@ def get_named_session_wizard():
     return SessionContactWizard.as_view(
         [('form1', Page1), ('form2', Page2), ('form3', Page3), ('form4', Page4)],
         url_name='nwiz_session',
-        done_step_name='nwiz_session_done'
+        done_step_name='nwiz_session_done',
     )
 
 
@@ -17,13 +22,17 @@ def get_named_cookie_wizard():
     return CookieContactWizard.as_view(
         [('form1', Page1), ('form2', Page2), ('form3', Page3), ('form4', Page4)],
         url_name='nwiz_cookie',
-        done_step_name='nwiz_cookie_done'
+        done_step_name='nwiz_cookie_done',
     )
 
 
 urlpatterns = [
-    re_path(r'^nwiz_session/(?P<step>.+)/$', get_named_session_wizard(), name='nwiz_session'),
+    re_path(
+        r'^nwiz_session/(?P<step>.+)/$', get_named_session_wizard(), name='nwiz_session'
+    ),
     path('nwiz_session/', get_named_session_wizard(), name='nwiz_session_start'),
-    re_path(r'nwiz_cookie/(?P<step>.+)/$', get_named_cookie_wizard(), name='nwiz_cookie'),
+    re_path(
+        r'nwiz_cookie/(?P<step>.+)/$', get_named_cookie_wizard(), name='nwiz_cookie'
+    ),
     path('nwiz_cookie/', get_named_cookie_wizard(), name='nwiz_cookie_start'),
 ]
diff --git a/tests/wizard/storage.py b/tests/wizard/storage.py
index d1455c93..615240a3 100644
--- a/tests/wizard/storage.py
+++ b/tests/wizard/storage.py
@@ -45,10 +45,12 @@ def test_step_data(self):
         request = get_request()
         storage = self.get_storage()('wizard1', request, None)
         step1 = 'start'
-        step_data1 = {'field1': 'data1',
-                      'field2': 'data2',
-                      'field3': datetime.now(),
-                      'field4': self.testuser}
+        step_data1 = {
+            'field1': 'data1',
+            'field2': 'data2',
+            'field3': datetime.now(),
+            'field4': self.testuser,
+        }
 
         self.assertEqual(storage.get_step_data(step1), None)
 
@@ -65,10 +67,12 @@ def test_step_data(self):
     def test_extra_context(self):
         request = get_request()
         storage = self.get_storage()('wizard1', request, None)
-        extra_context = {'key1': 'data1',
-                         'key2': 'data2',
-                         'key3': datetime.now(),
-                         'key4': self.testuser}
+        extra_context = {
+            'key1': 'data1',
+            'key2': 'data2',
+            'key3': datetime.now(),
+            'key4': self.testuser,
+        }
 
         self.assertEqual(storage.extra_data, {})
 
diff --git a/tests/wizard/test_basestorage.py b/tests/wizard/test_basestorage.py
index bbf509bd..73c24954 100644
--- a/tests/wizard/test_basestorage.py
+++ b/tests/wizard/test_basestorage.py
@@ -4,7 +4,6 @@
 
 
 class TestBaseStorage(TestCase):
-
     def test_subclass_can_override_get_current_step(self):
         class MyStorage(BaseStorage):
             def _get_current_step(self):
diff --git a/tests/wizard/test_cookiestorage.py b/tests/wizard/test_cookiestorage.py
index aa6c7a81..fdd1436b 100644
--- a/tests/wizard/test_cookiestorage.py
+++ b/tests/wizard/test_cookiestorage.py
@@ -41,8 +41,10 @@ def test_reset_cookie(self):
 
         storage.init_data()
         storage.update_response(response)
-        unsigned_cookie_data = cookie_signer.unsign(response.cookies[storage.prefix].value)
+        unsigned_cookie_data = cookie_signer.unsign(
+            response.cookies[storage.prefix].value
+        )
         self.assertJSONEqual(
             unsigned_cookie_data,
-            {"step_files": {}, "step": None, "extra_data": {}, "step_data": {}}
+            {"step_files": {}, "step": None, "extra_data": {}, "step_data": {}},
         )
diff --git a/tests/wizard/test_forms.py b/tests/wizard/test_forms.py
index 9bee6cfe..a9befca6 100644
--- a/tests/wizard/test_forms.py
+++ b/tests/wizard/test_forms.py
@@ -9,7 +9,9 @@
 from django.test import TestCase
 
 from formtools.wizard.views import (
-    CookieWizardView, SessionWizardView, WizardView,
+    CookieWizardView,
+    SessionWizardView,
+    WizardView,
 )
 
 
@@ -43,7 +45,6 @@ class Step3(forms.Form):
 
 
 class CustomKwargsStep1(Step1):
-
     def __init__(self, test=None, *args, **kwargs):
         self.test = test
         super().__init__(*args, **kwargs)
@@ -62,7 +63,9 @@ class Meta:
         fields = '__all__'
 
 
-TestModelFormSet = forms.models.modelformset_factory(TestModel, form=TestModelForm, extra=2, fields='__all__')
+TestModelFormSet = forms.models.modelformset_factory(
+    TestModel, form=TestModelForm, extra=2, fields='__all__'
+)
 
 
 class TestWizard(WizardView):
@@ -88,12 +91,13 @@ class TestWizardWithInitAttrs(TestWizard):
 
 class TestWizardWithTypeCheck(TestWizard):
     def done(self, form_list, **kwargs):
-        assert type(form_list) is list, "`form_list` was {}, should be a list".format(type(form_list))
+        assert (
+            type(form_list) is list  # noqa: E721
+        ), f"`form_list` was {type(form_list)}, should be a list"
         return http.HttpResponse("All good")
 
 
 class TestWizardWithCustomGetFormList(TestWizard):
-
     form_list = [Step1]
 
     def get_form_list(self):
@@ -109,7 +113,9 @@ def test_form_init(self):
         self.assertEqual(testform['form_list'], {'start': Step1, 'step2': Step2})
 
         testform = TestWizard.get_initkwargs([Step1, Step2, ('finish', Step3)])
-        self.assertEqual(testform['form_list'], {'0': Step1, '1': Step2, 'finish': Step3})
+        self.assertEqual(
+            testform['form_list'], {'0': Step1, '1': Step2, 'finish': Step3}
+        )
 
         testform = TestWizardWithInitAttrs.get_initkwargs()
         self.assertEqual(testform['form_list'], {'0': Step1, '1': Step2})
@@ -141,14 +147,14 @@ def test_form_condition(self):
         request = get_request()
         testform = TestWizard.as_view(
             [('start', Step1), ('step2', Step2), ('step3', Step3)],
-            condition_dict={'step2': True}
+            condition_dict={'step2': True},
         )
         response, instance = testform(request)
         self.assertEqual(instance.get_next_step(), 'step2')
 
         testform = TestWizard.as_view(
             [('start', Step1), ('step2', Step2), ('step3', Step3)],
-            condition_dict={'step2': False}
+            condition_dict={'step2': False},
         )
         response, instance = testform(request)
         self.assertEqual(instance.get_next_step(), 'step3')
@@ -166,7 +172,7 @@ def subsequent_step_check(wizard):
 
         testform = TestWizard.as_view(
             [('start', Step1), ('step2', Step2), ('step3', Step3)],
-            condition_dict={'step3': subsequent_step_check}
+            condition_dict={'step3': subsequent_step_check},
         )
         request = get_request()
         old_limit = sys.getrecursionlimit()
@@ -183,7 +189,7 @@ def test_form_condition_unstable(self):
         request = get_request()
         testform = TestWizard.as_view(
             [('start', Step1), ('step2', Step2), ('step3', Step3)],
-            condition_dict={'step2': True}
+            condition_dict={'step2': True},
         )
         response, instance = testform(request)
         self.assertEqual(instance.get_step_index('step2'), 1)
@@ -194,10 +200,12 @@ def test_form_condition_unstable(self):
 
     def test_form_kwargs(self):
         request = get_request()
-        testform = TestWizard.as_view([
-            ('start', Step1),
-            ('kwargs_test', CustomKwargsStep1),
-        ])
+        testform = TestWizard.as_view(
+            [
+                ('start', Step1),
+                ('kwargs_test', CustomKwargsStep1),
+            ]
+        )
         response, instance = testform(request)
         self.assertEqual(instance.get_form_kwargs('start'), {})
         self.assertEqual(instance.get_form_kwargs('kwargs_test'), {'test': True})
@@ -214,15 +222,13 @@ def test_form_initial(self):
         request = get_request()
         testform = TestWizard.as_view(
             [('start', Step1), ('step2', Step2)],
-            initial_dict={'start': {'name': 'value1'}}
+            initial_dict={'start': {'name': 'value1'}},
         )
         response, instance = testform(request)
         self.assertEqual(instance.get_form_initial('start'), {'name': 'value1'})
         self.assertEqual(instance.get_form_initial('step2'), {})
 
-        testform = TestWizardWithInitAttrs.as_view(
-            [('start', Step1), ('step2', Step2)]
-        )
+        testform = TestWizardWithInitAttrs.as_view([('start', Step1), ('step2', Step2)])
         response, instance = testform(request)
 
         self.assertEqual(instance.get_form_initial('start'), {'name': 'value1'})
@@ -233,17 +239,19 @@ def test_form_instance(self):
         the_instance = TestModel()
         testform = TestWizard.as_view(
             [('start', TestModelForm), ('step2', Step2)],
-            instance_dict={'start': the_instance}
+            instance_dict={'start': the_instance},
         )
         response, instance = testform(request)
         self.assertEqual(instance.get_form_instance('start'), the_instance)
         self.assertIsNone(instance.get_form_instance('non_exist_instance'))
 
-        testform = TestWizardWithInitAttrs.as_view([('start', TestModelForm), ('step2', Step2)])
+        testform = TestWizardWithInitAttrs.as_view(
+            [('start', TestModelForm), ('step2', Step2)]
+        )
         response, instance = testform(request)
         self.assertEqual(
             instance.get_form_instance('start'),
-            TestWizardWithInitAttrs.instance_dict['start']
+            TestWizardWithInitAttrs.instance_dict['start'],
         )
 
     def test_formset_instance(self):
@@ -252,7 +260,7 @@ def test_formset_instance(self):
         the_instance2, created = TestModel.objects.get_or_create(name='test object 2')
         testform = TestWizard.as_view(
             [('start', TestModelFormSet), ('step2', Step2)],
-            instance_dict={'start': TestModel.objects.filter(name='test object 1')}
+            instance_dict={'start': TestModel.objects.filter(name='test object 1')},
         )
         response, instance = testform(request)
         self.assertEqual(list(instance.get_form_instance('start')), [the_instance1])
@@ -281,7 +289,9 @@ def test_revalidation(self):
         self.assertEqual(instance.storage.current_step, 'start')
 
     def test_form_list_type(self):
-        request = get_request({'test_wizard_with_type_check-current_step': 'start', 'start-name': 'data1'})
+        request = get_request(
+            {'test_wizard_with_type_check-current_step': 'start', 'start-name': 'data1'}
+        )
         testform = TestWizardWithTypeCheck.as_view([('start', Step1)])
         response, instance = testform(request)
         self.assertEqual(response.status_code, 200)
diff --git a/tests/wizard/test_loadstorage.py b/tests/wizard/test_loadstorage.py
index f0d72b30..f3b6afb8 100644
--- a/tests/wizard/test_loadstorage.py
+++ b/tests/wizard/test_loadstorage.py
@@ -8,11 +8,13 @@ class TestLoadStorage(TestCase):
     def test_load_storage(self):
         self.assertIsInstance(
             get_storage('formtools.wizard.storage.base.BaseStorage', 'wizard1'),
-            BaseStorage
+            BaseStorage,
         )
 
     def test_missing_storage(self):
         with self.assertRaises(MissingStorage):
-            get_storage('formtools.wizard.storage.idontexist.IDontExistStorage', 'wizard1')
+            get_storage(
+                'formtools.wizard.storage.idontexist.IDontExistStorage', 'wizard1'
+            )
         with self.assertRaises(MissingStorage):
             get_storage('formtools.wizard.storage.base.IDontExistStorage', 'wizard1')
diff --git a/tests/wizard/wizardtests/forms.py b/tests/wizard/wizardtests/forms.py
index 5454b88e..20d92c5a 100644
--- a/tests/wizard/wizardtests/forms.py
+++ b/tests/wizard/wizardtests/forms.py
@@ -38,10 +38,12 @@ class ContactWizard(WizardView):
     file_storage = temp_storage
 
     def done(self, form_list, **kwargs):
-        c = Context({
-            'form_list': [x.cleaned_data for x in form_list],
-            'all_cleaned_data': self.get_all_cleaned_data(),
-        })
+        c = Context(
+            {
+                'form_list': [x.cleaned_data for x in form_list],
+                'all_cleaned_data': self.get_all_cleaned_data(),
+            }
+        )
 
         for form in self.form_list.keys():
             c[form] = self.get_cleaned_data_for_step(form)
diff --git a/tests/wizard/wizardtests/tests.py b/tests/wizard/wizardtests/tests.py
index 96a6c06d..69ef5a53 100644
--- a/tests/wizard/wizardtests/tests.py
+++ b/tests/wizard/wizardtests/tests.py
@@ -24,7 +24,6 @@ class Meta:
 
 
 class WizardTests:
-
     def setUp(self):
         self.testuser, created = User.objects.get_or_create(username='testuser1')
         # Get new step data, since we modify it during the tests.
@@ -57,9 +56,10 @@ def test_form_post_error(self):
         response = self.client.post(self.wizard_url, self.wizard_step_1_data)
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.context['wizard']['steps'].current, 'form1')
-        self.assertEqual(response.context['wizard']['form'].errors,
-                         {'name': ['This field is required.'],
-                          'user': ['This field is required.']})
+        self.assertEqual(
+            response.context['wizard']['form'].errors,
+            {'name': ['This field is required.'], 'user': ['This field is required.']},
+        )
 
     def test_form_post_mgmt_data_missing(self):
         wizard_step_data = self.wizard_step_data[0].copy()
@@ -91,8 +91,10 @@ def test_form_stepback(self):
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.context['wizard']['steps'].current, 'form2')
 
-        response = self.client.post(self.wizard_url, {
-            'wizard_goto_step': response.context['wizard']['steps'].prev})
+        response = self.client.post(
+            self.wizard_url,
+            {'wizard_goto_step': response.context['wizard']['steps'].prev},
+        )
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.context['wizard']['steps'].current, 'form1')
 
@@ -143,12 +145,15 @@ def test_form_finish(self):
 
         all_data = response.context['form_list']
         del all_data[1]['file1']
-        self.assertEqual(all_data, [
-            {'name': 'Pony', 'thirsty': True, 'user': self.testuser},
-            {'address1': '123 Main St', 'address2': 'Djangoland'},
-            {'random_crap': 'blah blah'},
-            [{'random_crap': 'blah blah'},
-             {'random_crap': 'blah blah'}]])
+        self.assertEqual(
+            all_data,
+            [
+                {'name': 'Pony', 'thirsty': True, 'user': self.testuser},
+                {'address1': '123 Main St', 'address2': 'Djangoland'},
+                {'random_crap': 'blah blah'},
+                [{'random_crap': 'blah blah'}, {'random_crap': 'blah blah'}],
+            ],
+        )
 
     def test_cleaned_data(self):
         response = self.client.get(self.wizard_url)
@@ -175,12 +180,21 @@ def test_cleaned_data(self):
         self.assertTrue(all_data['file1'].closed)
         self.assertFalse(temp_storage.exists(UPLOADED_FILE_NAME))
         del all_data['file1']
-        self.assertEqual(all_data, {
-            'name': 'Pony', 'thirsty': True, 'user': self.testuser,
-            'address1': '123 Main St', 'address2': 'Djangoland',
-            'random_crap': 'blah blah', 'formset-form4': [
-                {'random_crap': 'blah blah'},
-                {'random_crap': 'blah blah'}]})
+        self.assertEqual(
+            all_data,
+            {
+                'name': 'Pony',
+                'thirsty': True,
+                'user': self.testuser,
+                'address1': '123 Main St',
+                'address2': 'Djangoland',
+                'random_crap': 'blah blah',
+                'formset-form4': [
+                    {'random_crap': 'blah blah'},
+                    {'random_crap': 'blah blah'},
+                ],
+            },
+        )
 
     def test_manipulated_data(self):
         response = self.client.get(self.wizard_url)
@@ -264,7 +278,7 @@ class SessionWizardTests(WizardTests, TestCase):
             'form4-0-random_crap': 'blah blah',
             'form4-1-random_crap': 'blah blah',
             'session_contact_wizard-current_step': 'form4',
-        }
+        },
     )
 
 
@@ -296,7 +310,7 @@ class CookieWizardTests(WizardTests, TestCase):
             'form4-0-random_crap': 'blah blah',
             'form4-1-random_crap': 'blah blah',
             'cookie_contact_wizard-current_step': 'form4',
-        }
+        },
     )
 
 
@@ -328,7 +342,7 @@ class WizardTestKwargs(TestCase):
             'form4-0-random_crap': 'blah blah',
             'form4-1-random_crap': 'blah blah',
             'cookie_contact_wizard-current_step': 'form4',
-        }
+        },
     )
 
     def setUp(self):
@@ -349,6 +363,7 @@ class TestWizard(CookieWizardView):
 
             See ticket #17148.
             """
+
             def get_context_data(self, **kwargs):
                 context = super().get_context_data(**kwargs)
                 context['test_key'] = 'test_value'
@@ -374,6 +389,7 @@ class TestWizard(AnotherMixin, CookieWizardView):
 
             See ticket #17148.
             """
+
             def get_context_data(self, **kwargs):
                 context = super().get_context_data(**kwargs)
                 context['test_key'] = 'test_value'
@@ -424,8 +440,12 @@ def setUp(self):
 
         # Create two users so we can filter by is_staff when handing our
         # wizard a queryset keyword argument.
-        self.normal_user = User.objects.create(username='test1', email='normal@example.com')
-        self.staff_user = User.objects.create(username='test2', email='staff@example.com', is_staff=True)
+        self.normal_user = User.objects.create(
+            username='test1', email='normal@example.com'
+        )
+        self.staff_user = User.objects.create(
+            username='test2', email='staff@example.com', is_staff=True
+        )
 
     def test_instance_is_maintained(self):
         self.assertEqual(2, User.objects.count())
@@ -458,7 +478,10 @@ def get_form_kwargs(self, step):
 
         self.assertNotEqual(formset.queryset, None)
         self.assertEqual(formset.initial_form_count(), 1)
-        self.assertEqual(['staff@example.com'], list(formset.queryset.values_list('email', flat=True)))
+        self.assertEqual(
+            ['staff@example.com'],
+            list(formset.queryset.values_list('email', flat=True)),
+        )
 
 
 class WizardInlineFormSetTests(TestCase):
diff --git a/tests/wizard/wizardtests/urls.py b/tests/wizard/wizardtests/urls.py
index 9ab82b8d..48b227c0 100644
--- a/tests/wizard/wizardtests/urls.py
+++ b/tests/wizard/wizardtests/urls.py
@@ -1,24 +1,32 @@
 from django.urls import path
 
 from .forms import (
-    CookieContactWizard, Page1, Page2, Page3, Page4, SessionContactWizard,
+    CookieContactWizard,
+    Page1,
+    Page2,
+    Page3,
+    Page4,
+    SessionContactWizard,
 )
 
 urlpatterns = [
-    path('wiz_session/', SessionContactWizard.as_view(
-        [('form1', Page1),
-         ('form2', Page2),
-         ('form3', Page3),
-         ('form4', Page4)])),
-    path('wiz_cookie/', CookieContactWizard.as_view(
-        [('form1', Page1),
-         ('form2', Page2),
-         ('form3', Page3),
-         ('form4', Page4)])),
-    path('wiz_other_template/', CookieContactWizard.as_view(
-        [('form1', Page1),
-         ('form2', Page2),
-         ('form3', Page3),
-         ('form4', Page4)],
-        template_name='other_wizard_form.html')),
+    path(
+        'wiz_session/',
+        SessionContactWizard.as_view(
+            [('form1', Page1), ('form2', Page2), ('form3', Page3), ('form4', Page4)]
+        ),
+    ),
+    path(
+        'wiz_cookie/',
+        CookieContactWizard.as_view(
+            [('form1', Page1), ('form2', Page2), ('form3', Page3), ('form4', Page4)]
+        ),
+    ),
+    path(
+        'wiz_other_template/',
+        CookieContactWizard.as_view(
+            [('form1', Page1), ('form2', Page2), ('form3', Page3), ('form4', Page4)],
+            template_name='other_wizard_form.html',
+        ),
+    ),
 ]