code: def save_model(self, request, obj, form, change):
          
          super(TweetableAdminMixin, self).save_model(request, obj, form, change)
          if Api and request.POST.get("send_tweet", False):
              auth_settings = get_auth_settings()
              obj.set_short_url()
              message = truncatechars(obj, 140 - len(obj.short_url) - 1)
              api = Api(*auth_settings)
              api.PostUpdate("%s %s" % (message, obj.short_url))
docs: Sends a tweet with the title/short_url if applicable.