      renderer_classes=[JSONOpenAPIRenderer]
  )
  
  urlpatterns = [
      url('^schema.json$', schema_view),
      ...
  ]
  ```
  
  And here's how you can use the `generateschema` management command:
 
</s> remove     url(r'^swagger/$', schema_view),
 </s> add     path('swagger/', schema_view), </s> remove         url(r'^docs/', include_docs_urls(title=API_TITLE, description=API_DESCRIPTION))
 </s> add         path('docs/', include_docs_urls(title=API_TITLE, description=API_DESCRIPTION)) </s> remove         url('^$', schema_view),
        url(r'^', include(router.urls)),
 </s> add         path('', schema_view),
        path('', include(router.urls)), </s> remove     url(r'^$', schema_view),
    url(r'^', include(router.urls))
 </s> add     path('', schema_view),
    path('', include(router.urls)) </s> remove         url(r'^auth/', include('rest_framework.urls'))
 </s> add         path('auth/', include('rest_framework.urls'))
    path('schema.json', schema_view),
      renderer_classes=[JSONOpenAPIRenderer]
  )
  
  urlpatterns = [
    path('schema.json', schema_view),
      ...
  ]
  ```
  
  And here's how you can use the `generateschema` management command:
keep keep keep keep 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> 
docs/community/3.9-announcement.md