Upgrade incompatible django-extension.
Upgrade incompatible django-extension.

akatsoulas/mozillians,johngian/mozillians,akatsoulas/mozillians,akatsoulas/mozillians,akatsoulas/mozillians,johngian/mozillians,johngian/mozillians,johngian/mozillians,mozilla/mozillians,mozilla/mozillians,mozilla/mozillians,mozilla/mozillians