I handled the release announcement for this by hand. Excerpts from jenkins's message of 2017-04-24 13:54:29 +0000:
Build failed.
- gnocchi-tarball http://logs.openstack.org/9d/9dc78693d584f998d0686dd16cbc231b56840865/releas... : SUCCESS in 3m 35s - gnocchi-tarball-signing http://logs.openstack.org/9d/9dc78693d584f998d0686dd16cbc231b56840865/releas... : SUCCESS in 44s - gnocchi-pypi-both-upload http://logs.openstack.org/9d/9dc78693d584f998d0686dd16cbc231b56840865/releas... : SUCCESS in 27s - gnocchi-announce-release http://logs.openstack.org/9d/9dc78693d584f998d0686dd16cbc231b56840865/releas... : FAILURE in 2m 27s - propose-gnocchi-update-constraints http://logs.openstack.org/9d/9dc78693d584f998d0686dd16cbc231b56840865/releas... : SUCCESS in 1m 04s