old_contents: # -*- coding: utf-8 -*-
  from django.conf import settings
  from django.utils.translation import ugettext_lazy as _
  
  CONTENT_CHOICE_MODELS = getattr(settings, "CONTENTBLOCKS_CONTENT_CHOICE_MODELS",
      (
          {
              "app_label" : "flatblocks",
              "model" : ("genericflatblocklist","templateblock")
          },
          {"app_label" : "gblocks",},
      )
  )
  
new_contents: # -*- coding: utf-8 -*-
  from django.conf import settings
  from django.utils.translation import ugettext_lazy as _
  
  CONTENT_CHOICE_MODELS = getattr(settings, "CONTENTBLOCKS_CONTENT_CHOICE_MODELS",
      (
          {
              "app_label" : "flatblocks",
              "model" : ("genericflatblocklist","templateblock")
          },
          {"app_label" : "gblocks",},
          {
              "app_label" : "contentblocks",
              "model" : "pagecontaineur",
          }
      )
  )
  
subject: add accpted models to containeur