old_contents: from django.conf.urls import patterns, include, url
  
  urlpatterns = patterns('',
      url(r'^$', 'el.views.home', ),
      url(r'^$', 'el.views.link1', ),
      url(r'^$', 'el.views.link2', ),
      url(r'^$', 'el.views.link3', ),
  )
  
new_contents: from django.conf.urls import patterns, include, url
  
  urlpatterns = patterns('',
      url(r'^$', 'el.views.home', ),
      url(r'^$', 'el.views.link1', ),
      url(r'^$', 'el.views.link2', ),
      url(r'^$', 'el.views.link3', ),
      url(r'^$', 'el.views.link4', ),
  )
  
subject: Update urls.py