Build failed. https://zuul.opendev.org/t/openstack/buildset/2c680f8eb90b40a78e7cf561436df635 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6dba6da835a44bd591ff556066a0008d : FAILURE in 5m 44s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0a7a18fc45d84484bbf39d4507be0809 : SUCCESS in 6m 40s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f1246b0b6f2a44b1b6c79649885b179a : SUCCESS in 8m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cf877d9cae8b470d8b68bca1f40dcc31 : SUCCESS in 9m 29s