[Openstack-stable-maint] Stable check of openstack/keystone failed

Build failed. - periodic-keystone-docs-havana http://logs.openstack.org/periodic-stable/periodic-keystone-docs-havana/e43a... : SUCCESS in 2m 33s - periodic-keystone-python26-havana http://logs.openstack.org/periodic-stable/periodic-keystone-python26-havana/... : FAILURE in 20m 37s - periodic-keystone-python27-havana http://logs.openstack.org/periodic-stable/periodic-keystone-python27-havana/... : FAILURE in 13m 09s