old_contents: from __future__ import absolute_import
  
  # This will make sure the app is always imported when
  # Django starts so that shared_task will use this app.
  
new_contents: from __future__ import absolute_import
  
  # This will make sure the app is always imported when
  # Django starts so that shared_task will use this app.
  from .celery import app as celery_app  # noqa
  
subject: put back the celery import in __init__