from cms.app_base import CMSApp
from cms.apphook_pool import apphook_pool
from django.utils.translation import ugettext_lazy as _


class EventsApphook(CMSApp):
    name = _("Events Apphook")
    urls = ["events.urls"]
    app_name = "events"

apphook_pool.register(EventsApphook)

@@ -235,16 +235,41 @@
 %22events%22
+%0A    namespace = %22events%22
 %0A%0Aapphoo

Add namespace to support djangoCMS v3