Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/aca310a3a3064086aabd8ee089850a36 : SUCCESS in 5m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/61527e64470f4b90bc652d1caaead1f3 : FAILURE in 2m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1a2248dee50343d38d9624e4d2204150 : SUCCESS in 3m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4735447895644b8088ffedfa90b76a72 : SUCCESS in 9m 58s