Build failed.

- release-openstack-python http://logs.openstack.org/af/aff0649deb2578290a4ee5e49fb017a262c2e2cf/releas... : SUCCESS in 6m 55s - announce-release http://logs.openstack.org/af/aff0649deb2578290a4ee5e49fb017a262c2e2cf/releas... : SUCCESS in 3m 40s - propose-update-constraints http://logs.openstack.org/af/aff0649deb2578290a4ee5e49fb017a262c2e2cf/releas... : SUCCESS in 3m 14s - trigger-readthedocs-webhook http://logs.openstack.org/af/aff0649deb2578290a4ee5e49fb017a262c2e2cf/releas... : FAILURE in 1m 52s