old_contents: 
  from __future__ import absolute_import
  
  from django.conf.urls import include, patterns, url
  from horizon_contrib.forms.views import (CreateView,
                                           UpdateView)
  from horizon_contrib.generic.views import GenericIndexView
  
  # override native horizon-contrib views
  GenericIndexView.template_name = "leonardo/common/_index.html"
  CreateView.template_name = "leonardo/common/modal2.html"
  UpdateView.template_name = "leonardo/common/modal2.html"
  
  
  urlpatterns = patterns('',
                         url(r'^redactor/', include('redactor.urls')),
                         url(r'^page/', include('leonardo.module.web.page.urls')),
                         url(r'^widget/', include('leonardo.module.web.widgets.urls')),
                         )
  
new_contents: 
  from __future__ import absolute_import
  
  from django.conf.urls import include, patterns, url
  from horizon_contrib.forms.views import (CreateView,
                                           UpdateView)
  from horizon_contrib.generic.views import GenericIndexView
  
  # override native horizon-contrib views
  GenericIndexView.template_name = "leonardo/common/_index.html"
  CreateView.template_name = "leonardo/common/modal2.html"
  UpdateView.template_name = "leonardo/common/modal2.html"
  
  
  urlpatterns = patterns('',
                         url(r'^page/', include('leonardo.module.web.page.urls')),
                         url(r'^widget/', include('leonardo.module.web.widgets.urls')),
                         )
  
subject: fix fatal non existent redactor