accelerator/models/newsletter_receipt.py
from __future__ import unicode_literals
import swapper
from accelerator_abstract.models import BaseNewsletterReceipt
class NewsletterReceipt(BaseNewsletterReceipt):
class Meta(BaseNewsletterReceipt.Meta):
swappable = swapper.swappable_setting(
BaseNewsletterReceipt.Meta.app_label, "NewsletterReceipt")