old_contents: # -*- coding: utf-8 -*-
  
  sms_post_send = django.dispatch.Signal(providing_args=['from_phone','to','body'])
  
new_contents: # -*- coding: utf-8 -*-
  import django.dispatch
  sms_post_send = django.dispatch.Signal(providing_args=['from_phone','to','body'])
  
subject: Fix django.dispatch missing import.