Build failed. https://zuul.opendev.org/t/openstack/buildset/80616582da994b9aa45e7a19cb4f828a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c0937437030741cf9c3efc366262fe04 : SUCCESS in 3m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f447fb9fa3f54004843066d95cb5e9d8 : FAILURE in 3m 29s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9f69f861ac484938bf69d060ec6da7aa : SUCCESS in 3m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7f177164a1954374ae83db7b70590541 : SUCCESS in 3m 37s