Django 1.8 to 1.9 upgrade: django.core.exceptions.AppRegistryNotReady: Apps aren't loaded yet

Question

I have a project currently working on Django 1.8. Since 1.9 just released, I thought I would update via pip install django==1.9. However, when running python

Answer 1

Try to upgrade django-reversion, today was released 1.10 version with:

Django 1.9 compatibility (@etianen).

message from discussion groups https://groups.google.com/forum/#!topic/django-reversion/3AQipnbKaUI

The latest release of django-reversion (1.10.0) is now available on GitHub and PyPi. This release adds compatibility with Django 1.9.

Important: This release contains breaking changes. Please review the release notes on GitHub before installing.

These breaking changes were unfortunately required in order to support Django 1.9. Happily, all you'll need to do is modify your reversion import locations, and everything will continue to work.

Happy coding!