Build failed. https://zuul.opendev.org/t/openstack/buildset/28d83077ad0843998f6dc4cc26a1cc50 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/eb8034124b5243a08ed12ee6dcb6d57f : FAILURE in 6m 50s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4277e4228a0949e289741a336d818e66 : SUCCESS in 5m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7ff2fac694eb481aa837bbbdbde09737 : SUCCESS in 5m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9626496f18424cc58ca77057a0301235 : SUCCESS in 6m 15s