old_contents: from django.conf.urls import include, url
  
  urlpatterns = [
      url(r'^text-analysis/v1/', include('main.urls')),
  ]
  
new_contents: from django.conf.urls import include, url
  
  urlpatterns = [
      url(r'^text-analysis/v1/', include('main.urls')),
      url(r'^v1/', include('main.urls')),
  ]
  
subject: add short endpoint