old_contents: from django.conf.urls import url
  
  from .views import simple_node_view
  
  
  urlpatterns = [
      url(r'^$', simple_node_view)
  ]
  
new_contents: from django.conf.urls import url
  
  from . import views
  
  
  urlpatterns = [url(r'^$', views.simple_node_view)]
  
subject: Simplify simple handler urls