accelerator/models/user_deferrable_modal.py
import swapper
from accelerator_abstract.models import BaseUserDeferrableModal
class UserDeferrableModal(BaseUserDeferrableModal):
class Meta(BaseUserDeferrableModal.Meta):
swappable = swapper.swappable_setting(
BaseUserDeferrableModal.Meta.app_label, 'UserDeferrableModal'
)