old_contents: 
  from django.conf.urls.defaults import *
  
  
  urlpatterns = patterns("core.views",
      url("^airport_list/(?P<south>.*)/(?P<west>.*)/(?P<north>.*)/(?P<east>.*)/", 
          "airports_for_boundary", name="airports_for_boundary"),
  )
  
  
  
new_contents: 
  from django.conf.urls.defaults import *
  
  
  urlpatterns = patterns("core.views",
      url("^airport/list/(?P<south>.*)/(?P<west>.*)/(?P<north>.*)/(?P<east>.*)/", 
          "airports_for_boundary", name="airports_for_boundary"),
  )
  
  
  
subject: Change URL pattern for airport list.