Build failed. https://zuul.opendev.org/t/openstack/buildset/bd5b9524b3e64be49aee650c77817bfc - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d1e4f50c0e654f478ac78b4fa3256cf9 : FAILURE in 4m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/bfe135f96ea4450c84595c87f3e6f775 : FAILURE in 4m 59s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6275d43364b24b79aab99d38f68c0948 : FAILURE in 4m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bf3646a89e314bf69fbc4b31f54d5564 : FAILURE in 5m 26s