          class BranchAPIView(views.ExampleGenericAPIView):
              pass
  
          url_patterns = [
              url(r'^any-dash_underscore/?$', RestaurantAPIView.as_view()),
              url(r'^restaurants/branches/?$', BranchAPIView.as_view())
          ]
          generator = SchemaGenerator(patterns=url_patterns)
          schema = generator.get_schema(request=create_request('/'))
          assert schema['paths']['/any-dash_underscore/']['get']['tags'] == ['any-dash-underscore']
          assert schema['paths']['/restaurants/branches/']['get']['tags'] == ['restaurants']
 
</s> remove             url(r'^test/?$', ExampleStringTagsViewSet.as_view()),
 </s> add             path('test/', ExampleStringTagsViewSet.as_view()), </s> remove             url(r'^example/?$', ExampleView.as_view()),
 </s> add             path('example/', ExampleView.as_view()), </s> remove             url(r'example/(?P<pk>\d+)/$', BasicNamingCollisionView.as_view()),
            url(r'example/(?P<slug>\w+)/$', BasicNamingCollisionView.as_view()),
 </s> add             path('example/<int:pk>/', BasicNamingCollisionView.as_view()),
            path('example/<str:slug>/', BasicNamingCollisionView.as_view()), </s> remove         url(r'^empty-prefix/', include(empty_prefix_router.urls)),
 </s> add         path('empty-prefix/', include(empty_prefix_router.urls)), </s> remove             url(r'^duplicate1/?$', views.ExampleOperationIdDuplicate1.as_view()),
            url(r'^duplicate2/?$', views.ExampleOperationIdDuplicate2.as_view()),
 </s> add             path('duplicate1/', views.ExampleOperationIdDuplicate1.as_view()),
            path('duplicate2/', views.ExampleOperationIdDuplicate2.as_view()),
            path('any-dash_underscore/', RestaurantAPIView.as_view()),
            path('restaurants/branches/', BranchAPIView.as_view())
          class BranchAPIView(views.ExampleGenericAPIView):
              pass
  
          url_patterns = [
            path('any-dash_underscore/', RestaurantAPIView.as_view()),
            path('restaurants/branches/', BranchAPIView.as_view())
            path('any-dash_underscore/', RestaurantAPIView.as_view()),
            path('restaurants/branches/', BranchAPIView.as_view())
          ]
          generator = SchemaGenerator(patterns=url_patterns)
          schema = generator.get_schema(request=create_request('/'))
          assert schema['paths']['/any-dash_underscore/']['get']['tags'] == ['any-dash-underscore']
          assert schema['paths']['/restaurants/branches/']['get']['tags'] == ['restaurants']
keep keep keep keep replace replace keep keep keep keep keep
 Replace all url() calls with path() or re_path() (#7512)

* url() is deprecated in Django 3.1

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

* Fix test_urlpatterns.py to continue testing mixed re_path() and path()

* Fix one missed reference

Co-authored-by: sanjusci <sanju.sci9@gmail.com> 
tests/schemas/test_openapi.py