old_contents: import os
  
  from django.conf.urls.defaults import *
  
  urlpatterns = patterns('object_permissions.views.groups',
      # Groups
      url(r'^groups/$', 'list', name="usergroup-list"),
      url(r'^group/?$', 'detail', name="usergroup"),
      url(r'^group/(?P<id>\d+)/?$', 'detail', name="usergroup-detail"),
      url(r'^group/(?P<id>\d+)/user/add/?$','add_user', name="usergroup-add-user"),
      url(r'^group/(?P<id>\d+)/user/remove/?$','remove_user', name="usergroup-remove-user"),
      url(r'^group/(?P<id>\d+)/permissions/?$','user_permissions', name="usergroup-permissions"),
      url(r'^group/(?P<id>\d+)/permissions/user/(?P<user_id>\d+)/?$','user_permissions', name="group-user-permissions"),
  )
  
  #The following is used to serve up local media files like images
  root = '%s/media' % os.path.dirname(os.path.realpath(__file__))
  urlpatterns += patterns('',
      (r'^object_permissions_media/(?P<path>.*)', 'django.views.static.serve',\
       {'document_root':  root}),
  )
new_contents: import os
  
  from django.conf.urls.defaults import url, patterns
  
  urlpatterns = patterns('object_permissions.views.groups',
      # Groups
      url(r'^groups/$', 'list', name="usergroup-list"),
      url(r'^group/?$', 'detail', name="usergroup"),
      url(r'^group/(?P<id>\d+)/?$', 'detail', name="usergroup-detail"),
      url(r'^group/(?P<id>\d+)/user/add/?$','add_user', name="usergroup-add-user"),
      url(r'^group/(?P<id>\d+)/user/remove/?$','remove_user', name="usergroup-remove-user"),
      url(r'^group/(?P<id>\d+)/permissions/?$','user_permissions', name="usergroup-permissions"),
      url(r'^group/(?P<id>\d+)/permissions/user/(?P<user_id>\d+)/?$','user_permissions', name="group-user-permissions"),
  )
  
  #The following is used to serve up local media files like images
  root = '%s/media' % os.path.dirname(os.path.realpath(__file__))
  urlpatterns += patterns('',
      (r'^object_permissions_media/(?P<path>.*)', 'django.views.static.serve',\
       {'document_root':  root}),
  )
  
subject: Change import *.