old_contents: # -*- coding: utf-8 -*-
  from django.utils.translation import ugettext_lazy as _
  from django.conf import settings
  
  
  
  trans_app_label = _('Opps')
  settings.INSTALLED_APPS += ('opps.article',
          'opps.image',
          'opps.channel',
          'opps.source',
          'redactor',
          'tagging',)
  
  settings.REDACTOR_OPTIONS = {'lang': 'en'}
  settings.REDACTOR_UPLOAD = 'uploads/'
  
new_contents: # -*- coding: utf-8 -*-
  from django.utils.translation import ugettext_lazy as _
  
  
  
  trans_app_label = _('Opps')
  
subject: Remove installed app on init opps core