Build failed. https://zuul.opendev.org/t/openstack/buildset/72b16d8675e34c4fa13cb8bab6c94058 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5076cbcbb3cb4d50853ecc6b5eefb0d4 : SUCCESS in 3m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e980d309479545e5b3d6b96729d03c8b : FAILURE in 2m 57s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b06ed5ade5284ada802b8d0d45829edd : FAILURE in 3m 46s