divio/django-cms — pull request #2658 by tyrion (2014-02-18 11:47:45+00:00)
Title: Make toolbar_pool.register a valid decorator

In `cms_toolbar` you are using `toolbar_pool.register` as a decorator, but it returns `None` so the class you are decorating cannot be subclassed anymore.
Either do not use `register` as a decorator or make it return the toolbar as I did in this PR.