old_contents: from django.conf.urls.defaults import *
  
  urlpatterns = patterns('corehq.apps.importer.views',
      url(r'^excel/config/$', 'excel_config', name='excel_config'),
      url(r'^excel/fields/$', 'excel_fields', name='excel_fields'),
      url(r'^excel/commit/$', 'excel_commit', name='excel_commit'),
      url(r'^importer_ajax/(?P<download_id>[0-9a-fA-Z]{25,32})$',
          'importer_job_poll', name='importer_job_poll'),
  )
  
new_contents: from django.conf.urls.defaults import *
  
  urlpatterns = patterns('corehq.apps.importer.views',
      url(r'^excel/config/$', 'excel_config', name='excel_config'),
      url(r'^excel/fields/$', 'excel_fields', name='excel_fields'),
      url(r'^excel/commit/$', 'excel_commit', name='excel_commit'),
      url(r'^importer_ajax/(?P<download_id>[0-9a-fA-Z]{25,32})/$',
          'importer_job_poll', name='importer_job_poll'),
  )
  
subject: Add trailing slash to url