derek-schaefer/django-json-field — pull request #8 by mjtorn (2012-06-29 14:53:58+00:00)
Title: Real master

This needs to be so, or eg. _manage.py migrate_ will start loading
models too early and complain about json_field not having JSONField
or anything else.

Note that moving json_field to be the first in INSTALLED_APPS
does not help.

At least that's what I found ;)