update given feedbacks on url() is deprecated in Django 3.1

docs/api-guide/format-suffixes.md

@@ -32,7 +32,7 @@ Example:
     from blog import views
 
     urlpatterns = [
-        path('/', views.apt_root),
+        path('', views.apt_root),
         path('comments/', views.comment_list),
         path('comments/<int:pk>/', views.comment_detail)
     ]

docs/api-guide/generic-views.md

@@ -45,7 +45,7 @@ For more complex cases you might also want to override various methods on the vi
 
 For very simple cases you might want to pass through any class attributes using the `.as_view()` method.  For example, your URLconf might include something like the following entry:
 
-    path('/users/', ListCreateAPIView.as_view(queryset=User.objects.all(), serializer_class=UserSerializer), name='user-list')
+    path('users/', ListCreateAPIView.as_view(queryset=User.objects.all(), serializer_class=UserSerializer), name='user-list')
 
 ---
 

docs/tutorial/4-authentication-and-permissions.md

@@ -137,7 +137,7 @@ We can add a login view for use with the browsable API, by editing the URLconf i
 
 Add the following import at the top of the file:
 
-    from django.conf.urls import include
+    from django.urls import path, include
 
 And, at the end of the file, add a pattern to include the login and logout views for the browsable API.
 

tests/authentication/test_authentication.py

@@ -2,11 +2,10 @@ import base64
 
 import pytest
 from django.conf import settings
-from django.conf.urls import include
 from django.contrib.auth.models import User
 from django.http import HttpResponse
 from django.test import TestCase, override_settings
-from django.urls import path
+from django.urls import include, path
 
 from rest_framework import (
     HTTP_HEADER_ENCODING, exceptions, permissions, renderers, status

tests/browsable_api/auth_urls.py

@@ -1,5 +1,4 @@
-from django.conf.urls import include
-from django.urls import path
+from django.urls import include, path
 
 from .views import MockView
 

tests/schemas/test_coreapi.py

@@ -1,11 +1,10 @@
 import unittest
 
 import pytest
-from django.conf.urls import include
 from django.core.exceptions import PermissionDenied
 from django.http import Http404
 from django.test import TestCase, override_settings
-from django.urls import path
+from django.urls import include, path
 
 from rest_framework import (
     filters, generics, pagination, permissions, serializers

tests/test_renderers.py

@@ -3,13 +3,12 @@ from collections import OrderedDict
 from collections.abc import MutableMapping
 
 import pytest
-from django.conf.urls import include
 from django.core.cache import cache
 from django.db import models
 from django.http.request import HttpRequest
 from django.template import loader
 from django.test import TestCase, override_settings
-from django.urls import path, re_path
+from django.urls import include, path, re_path
 from django.utils.safestring import SafeText
 from django.utils.translation import gettext_lazy as _
 

tests/test_response.py

@@ -1,6 +1,5 @@
-from django.conf.urls import include
 from django.test import TestCase, override_settings
-from django.urls import path, re_path
+from django.urls import include, path, re_path
 
 from rest_framework import generics, routers, serializers, status, viewsets
 from rest_framework.parsers import JSONParser

tests/test_routers.py

@@ -1,11 +1,10 @@
 from collections import namedtuple
 
 import pytest
-from django.conf.urls import include
 from django.core.exceptions import ImproperlyConfigured
 from django.db import models
 from django.test import TestCase, override_settings
-from django.urls import path, resolve, reverse
+from django.urls import include, path, resolve, reverse
 
 from rest_framework import permissions, serializers, viewsets
 from rest_framework.decorators import action

tests/test_urlpatterns.py

@@ -1,8 +1,7 @@
 from collections import namedtuple
 
-from django.conf.urls import include
 from django.test import TestCase
-from django.urls import Resolver404, URLResolver, path, re_path
+from django.urls import Resolver404, URLResolver, include, path, re_path
 from django.urls.resolvers import RegexPattern
 
 from rest_framework.test import APIRequestFactory

tests/test_versioning.py

@@ -1,7 +1,6 @@
 import pytest
-from django.conf.urls import include
 from django.test import override_settings
-from django.urls import path, re_path
+from django.urls import include, path, re_path
 
 from rest_framework import serializers, status, versioning
 from rest_framework.decorators import APIView

tests/test_viewsets.py

@@ -2,10 +2,9 @@ from collections import OrderedDict
 from functools import wraps
 
 import pytest
-from django.conf.urls import include
 from django.db import models
 from django.test import TestCase, override_settings
-from django.urls import path
+from django.urls import include, path
 
 from rest_framework import status
 from rest_framework.decorators import action