Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/dbec0931e4f740c79e6ed94c49ad35ef : FAILURE in 3m 53s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/78d8010c84a34cb69f1e62cd051a2e7d : FAILURE in 6m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/106fa25787ad472282ce971bea35fa6e : FAILURE in 3m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c5acb6158af745889c753241704894be : FAILURE in 4m 48s