old_contents: from django.conf.urls import url
  
  from . import views
  
  app_name = 'event'
  urlpatterns = [
      url(r'^$', views.IndexView.as_view(), name='index'),
      url(r'^artist/$', views.ArtistView.as_view(), name='artist'),
      url(r'^artist/(?P<pk>\d+)$', views.ArtistDetailView.as_view(), name='artist_detail'),
      url(r'^event/$', views.EventView.as_view(), name='event'),
      url(r'^venue/$', views.VenueView.as_view(), name='venue'),
      url(r'^profile/$', views.ProfileView.as_view(), name='profile'),
  ]
  
new_contents: from django.conf.urls import url
  
  from . import views
  
  app_name = 'event'
  urlpatterns = [
      url(r'^$', views.IndexView.as_view(), name='index'),
      url(r'^artist/$', views.ArtistView.as_view(), name='artist'),
      url(r'^artist/(?P<pk>\d+)/$', views.ArtistDetailView.as_view(), name='artist_detail'),
      url(r'^event/$', views.EventView.as_view(), name='event'),
      url(r'^venue/$', views.VenueView.as_view(), name='venue'),
      url(r'^profile/$', views.ProfileView.as_view(), name='profile'),
  ]
  
subject: Fix Artist detail view url