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

Build failed. - periodic-castellan-docs-newton http://logs.openstack.org/periodic-stable/periodic-castellan-docs-newton/c28... : FAILURE in 3m 07s - periodic-castellan-python27-newton http://logs.openstack.org/periodic-stable/periodic-castellan-python27-newton... : SUCCESS in 3m 18s - periodic-castellan-docs-ocata http://logs.openstack.org/periodic-stable/periodic-castellan-docs-ocata/0b2e... : SUCCESS in 3m 44s - periodic-castellan-python27-ocata http://logs.openstack.org/periodic-stable/periodic-castellan-python27-ocata/... : SUCCESS in 3m 47s