Build failed. https://zuul.opendev.org/t/openstack/buildset/1724892d51a445fc97afc4cb3869c08f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cc2c51ca8ccc4a62b8a0aa7fd3ab4518 : FAILURE in 7m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3309a171d4d9403fa6b8c1626c8df019 : SUCCESS in 5m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/eeee66de403d47b7a52ec5deed764de5 : SUCCESS in 5m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/59ad8311abde4d2382f55b6a62995963 : SUCCESS in 6m 24s