1 files changed, 19 insertions, 14 deletions
diff --git a/tests/admin_views/customadmin.py b/tests/admin_views/customadmin.py
index a9d8a060b9..f9e1f6fe1a 100644
--- a/tests/admin_views/customadmin.py
+++ b/tests/admin_views/customadmin.py
@@ -7,32 +7,33 @@ from django.contrib.auth.models import User
 from django.http import HttpResponse
 from django.urls import path
 
-from . import admin as base_admin, forms, models
+from . import admin as base_admin
+from . import forms, models
 
 
 class Admin2(admin.AdminSite):
-    app_index_template = 'custom_admin/app_index.html'
+    app_index_template = "custom_admin/app_index.html"
     login_form = forms.CustomAdminAuthenticationForm
-    login_template = 'custom_admin/login.html'
-    logout_template = 'custom_admin/logout.html'
-    index_template = ['custom_admin/index.html']  # a list, to test fix for #18697
-    password_change_template = 'custom_admin/password_change_form.html'
-    password_change_done_template = 'custom_admin/password_change_done.html'
+    login_template = "custom_admin/login.html"
+    logout_template = "custom_admin/logout.html"
+    index_template = ["custom_admin/index.html"]  # a list, to test fix for #18697
+    password_change_template = "custom_admin/password_change_form.html"
+    password_change_done_template = "custom_admin/password_change_done.html"
 
     # A custom index view.
     def index(self, request, extra_context=None):
-        return super().index(request, {'foo': '*bar*'})
+        return super().index(request, {"foo": "*bar*"})
 
     def get_urls(self):
         return [
-            path('my_view/', self.admin_view(self.my_view), name='my_view'),
+            path("my_view/", self.admin_view(self.my_view), name="my_view"),
         ] + super().get_urls()
 
     def my_view(self, request):
         return HttpResponse("Django is a magical pony!")
 
     def password_change(self, request, extra_context=None):
-        return super().password_change(request, {'spam': 'eggs'})
+        return super().password_change(request, {"spam": "eggs"})
 
 
 class UserLimitedAdmin(UserAdmin):
@@ -43,19 +44,23 @@ class UserLimitedAdmin(UserAdmin):
 
 
 class CustomPwdTemplateUserAdmin(UserAdmin):
-    change_user_password_template = ['admin/auth/user/change_password.html']  # a list, to test fix for #18697
+    change_user_password_template = [
+        "admin/auth/user/change_password.html"
+    ]  # a list, to test fix for #18697
 
 
 class BookAdmin(admin.ModelAdmin):
     def get_deleted_objects(self, objs, request):
-        return ['a deletable object'], {'books': 1}, set(), []
+        return ["a deletable object"], {"books": 1}, set(), []
 
 
 site = Admin2(name="admin2")
 
 site.register(models.Article, base_admin.ArticleAdmin)
 site.register(models.Book, BookAdmin)
-site.register(models.Section, inlines=[base_admin.ArticleInline], search_fields=['name'])
+site.register(
+    models.Section, inlines=[base_admin.ArticleInline], search_fields=["name"]
+)
 site.register(models.Thing, base_admin.ThingAdmin)
 site.register(models.Fabric, base_admin.FabricAdmin)
 site.register(models.ChapterXtra1, base_admin.ChapterXtra1Admin)
@@ -63,5 +68,5 @@ site.register(User, UserLimitedAdmin)
 site.register(models.UndeletableObject, base_admin.UndeletableObjectAdmin)
 site.register(models.Simple, base_admin.AttributeErrorRaisingAdmin)
 
-simple_site = Admin2(name='admin4')
+simple_site = Admin2(name="admin4")
 simple_site.register(User, CustomPwdTemplateUserAdmin)