Port to new django version - not yet fully working

- location field makes problems

location_field/urls.py

@@ -1,11 +1,9 @@
-from django.conf.urls.defaults import patterns
-
 import os
+from django.urls import re_path
+from django.views.static import serve
 
 app_dir = os.path.dirname(__file__)
 
-urlpatterns = patterns(
-    '',
-    (r'^media/(.*)$', 'django.views.static.serve', {
-        'document_root': '%s/media' % app_dir}),
-)
+urlpatterns = [
+    re_path(r'^media/(.*)$', serve, {'document_root': '%s/media' % app_dir}),
+]