old_contents: try:
      from django.conf.urls import patterns, url
  except ImportError:
      # Django < 1.4
      from django.conf.urls.defaults import url
  
  from avatar import views
  
  urlpatterns = [
      url(r'^add/$', views.add, name='avatar_add'),
      url(r'^change/$', views.change, name='avatar_change'),
      url(r'^delete/$', views.delete, name='avatar_delete'),
      url(r'^render_primary/(?P<user>[\w\d\@\.\-_]{3,30})/(?P<size>[\d]+)/$',
          views.render_primary,
          name='avatar_render_primary'),
      url(r'^list/(?P<username>[\+\w\@\.]+)/$',
          views.avatar_gallery,
          name='avatar_gallery'),
      url(r'^list/(?P<username>[\+\w\@\.]+)/(?P<id>[\d]+)/$',
          views.avatar,
          name='avatar'),
  ]
  
new_contents: try:
      from django.conf.urls import url
  except ImportError:
      # Django < 1.4
      from django.conf.urls.defaults import url
  
  from avatar import views
  
  urlpatterns = [
      url(r'^add/$', views.add, name='avatar_add'),
      url(r'^change/$', views.change, name='avatar_change'),
      url(r'^delete/$', views.delete, name='avatar_delete'),
      url(r'^render_primary/(?P<user>[\w\d\@\.\-_]{3,30})/(?P<size>[\d]+)/$',
          views.render_primary,
          name='avatar_render_primary'),
      url(r'^list/(?P<username>[\+\w\@\.]+)/$',
          views.avatar_gallery,
          name='avatar_gallery'),
      url(r'^list/(?P<username>[\+\w\@\.]+)/(?P<id>[\d]+)/$',
          views.avatar,
          name='avatar'),
  ]
  
subject: remove patterns import