'admin' is not a registered namespace in Django 1.4

Question

I\'m attempting to upgrade quite a large Django project to the newly released Django 1.4, and I\'m having some issues when running python manage.py test.

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Answer 1

As it turns out, this was due to the order of the TEMPLATE_LOADERS key in my settings file.

I had the following:

TEMPLATE_LOADERS = (
    'django.template.loaders.app_directories.Loader',
    'django.template.loaders.filesystem.Loader',
)

which, somehow, caused the error when reversing admin URLs. Switching the two round solved the issue. I would love to know how this happens, as it isn't reproducible in a blank Django 1.4 project.

What was reproducible, however, was the AttributeError for settings.AUTH_PROFILE_MODULE. Turns out this is a bug in Django 1.4, which was filed on release day here.