old_contents: from __future__ import absolute_import
  
  from django.conf.urls import url
  
  from admin.meetings import views
  
  urlpatterns = [
      url(r'^$', views.MeetingListView.as_view(), name='list'),
      url(r'^create/$', views.MeetingCreateFormView.as_view(), name='create'),
      url(r'^(?P<endpoint>[a-zA-Z0-9]+)/$', views.MeetingFormView.as_view(),
          name='detail'),
  ]
  
new_contents: from __future__ import absolute_import
  
  from django.conf.urls import url
  
  from admin.meetings import views
  
  urlpatterns = [
      url(r'^$', views.MeetingListView.as_view(), name='list'),
      url(r'^create/$', views.MeetingCreateFormView.as_view(), name='create'),
      url(r'^(?P<endpoint>[a-zA-Z0-9_]+)/$', views.MeetingFormView.as_view(),
          name='detail'),
  ]
  
subject: Allow underscores in meeting endpoints