fix isort and flake8 errors

djangocms_versioning/admin.py

@@ -11,8 +11,7 @@
 from django.shortcuts import redirect, render
 from django.template.loader import render_to_string, select_template
 from django.template.response import TemplateResponse
-from django.urls import path
-from django.urls import re_path, reverse
+from django.urls import path, re_path, reverse
 from django.utils.encoding import force_str
 from django.utils.formats import localize
 from django.utils.html import format_html, format_html_join
@@ -159,7 +158,6 @@ def get_versioning_state(self, obj):
         """
         return self.get_version(obj).get_state_display()
 
-
     @admin.display(
         description=_("Author"),
         ordering="created_by_username_ordering",
@@ -186,7 +184,6 @@ def get_modified_date(self, obj):
         """
         return self.get_version(obj).modified
 
-
     def _get_preview_url(self, obj):
         """
         Return the preview method if available, otherwise return None
@@ -291,7 +288,6 @@ def get_preview_link(self, obj):
             _("Preview"),
         )
 
-
     def _get_field_modifier(self, request, modifier_dict, field):
         method = modifier_dict[field]
 
@@ -473,7 +469,6 @@ def nr(self, obj):
         """
         return obj.number
 
-
     @admin.display(
         description=_("Content"),
         ordering="content",
@@ -489,7 +484,6 @@ def content_link(self, obj):
             label=content,
         )
 
-
     def _get_archive_link(self, obj, request, disabled=False):
         """Helper function to get the html link to the archive action
         """
@@ -671,7 +665,6 @@ def compare_versions(self, request, queryset):
 
         return redirect(url)
 
-
     def grouper_form_view(self, request):
         """Displays an intermediary page to select a grouper object
         to show versions of.

djangocms_versioning/test_utils/incorrectly_configured_blogpost/admin.py

@@ -8,5 +8,3 @@
 @admin.register(IncorrectBlogContent)
 class IncorrectBlogContentAdmin(ExtendedVersionAdminMixin, admin.ModelAdmin):
     pass
-
-

djangocms_versioning/test_utils/unversioned_editable_app/admin.py

@@ -8,5 +8,3 @@
 @admin.register(FancyPoll)
 class FancyPollAdmin(FrontendEditableAdminMixin, admin.ModelAdmin):
     pass
-
-