Build failed. https://zuul.opendev.org/t/openstack/buildset/76c67faa18fe49e8b5fb03420f7dce4a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5a65916f64664b25ace7f25c717f587a : FAILURE in 2m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0c5d4deb4af34022a93619c7f92fe708 : SUCCESS in 3m 31s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/950b96cc7e674ac2bd0b32ec4eb49eec : SUCCESS in 3m 10s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/adcb853610b04904902c7889e1d33f0c : SUCCESS in 3m 18s