old_contents: from django.conf.urls import include, url
  from django.contrib import admin
  
  urlpatterns = [
      url(r'^admin/', include(admin.site.urls)),
      url('^', include('blog.urls', namespace="blog"))
  ]
  
new_contents: from django.conf.urls import include, url
  from django.contrib import admin
  
  urlpatterns = [
      url(r'^admin/', include(admin.site.urls)),
      url('^markdown/', include( 'django_markdown.urls')),
      url('^', include('blog.urls', namespace="blog"))
  ]
  
subject: Add urls for django-markdown