Fixed #22218 -- Deprecated django.conf.urls.patterns.

Thanks Carl Meyer for the suggestion and Alex Gaynor and Carl for reviews.

tests/model_permalink/urls.py

@@ -1,5 +1,5 @@
-from django.conf.urls import patterns, url
+from django.conf.urls import url
 
-urlpatterns = patterns('',
+urlpatterns = [
     url(r'^guitarists/(\w{1,50})/$', 'unimplemented_view_placeholder', name='guitarist_detail'),
-)
+]