Build failed. https://zuul.opendev.org/t/openstack/buildset/17999aa7d4e54500a89925ffaeac11a8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2625eb1931b04ec2a71ea295da0f757d : FAILURE in 5m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/42f2e0ebe6394834bc726e195208d4dd : SUCCESS in 5m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9c54949b68b44bf489d583932425191c : SUCCESS in 5m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f255167001d4483f8bf3e744a3210922 : SUCCESS in 5m 25s