def get_urls(self):
        """
        Overload the admin's urls for MarkItUp.
        """
        entry_admin_urls = super(EntryAdminMarkItUpMixin, self).get_urls()
        urls = [
            url(r'^markitup/$',
                self.admin_site.admin_view(self.markitup),
                name='zinnia_entry_markitup'),
            url(r'^markitup/preview/$',
                self.admin_site.admin_view(self.content_preview),
                name='zinnia_entry_markitup_preview')
        ]
        return urls + entry_admin_urls
Overload the admin's urls for MarkItUp.