old_contents: from django.contrib import admin
  
  from pennyblack.module.subscriber.models import NewsletterSubscriber,\
      NewsletterSubscriberAdmin, SubscriberGroup, SubscriberGroupAdmin
  
  admin.site.register(NewsletterSubscriber, NewsletterSubscriberAdmin)
  admin.site.register(SubscriberGroup, SubscriberGroupAdmin)
  
  try:
      from admin_import.options import add_import
  except ImportError, e:
      if not e.message == 'No module named admin_import.options':
          raise
  else:
      from django.conf import settings as django_settings
      if 'admin_import' in django_settings.INSTALLED_APPS:
          add_import(NewsletterSubscriberAdmin, add_button=True)
  
new_contents: from django.contrib import admin
  
  from pennyblack.module.subscriber.models import NewsletterSubscriber,\
      NewsletterSubscriberAdmin, SubscriberGroup, SubscriberGroupAdmin
  
  admin.site.register(NewsletterSubscriber, NewsletterSubscriberAdmin)
  admin.site.register(SubscriberGroup, SubscriberGroupAdmin)
  
  try:
      from admin_import.options import add_import
  except ImportError as e:
      if not str(e) == 'No module named admin_import.options':
          raise
  else:
      from django.conf import settings as django_settings
      if 'admin_import' in django_settings.INSTALLED_APPS:
          add_import(NewsletterSubscriberAdmin, add_button=True)
  
subject: fix deprecation warnings in django-admin-import part of subscriber module