old_contents: from django.conf.urls import patterns, include, url
  from django.views.generic import TemplateView
  from widget import views
  
  urlpatterns = patterns('',
      url(r'^$', TemplateView.as_view(template_name='widget_test.html'), name='widget_test'),
  )
  
new_contents: from django.conf.urls import patterns, include, url
  from django.views.generic import TemplateView
  
  urlpatterns = patterns('',
      url(r'^$', TemplateView.as_view(template_name='widget_test.html'), name='widget_test'),
  )
  
subject: Fix invalid import