Build failed. https://zuul.opendev.org/t/openstack/buildset/6cc1020d946845a8b710648c75d8885f - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/91591c8fb2b449cd8410b8b286e7118a : FAILURE in 10m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b4be601ccb6b468ab5b2cc6cf995f4f2 : SUCCESS in 6m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4ef22cb5eb114498864ebe63bf1950f2 : SUCCESS in 6m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/202d4ad0ab694b5e9aab295627be974f : SUCCESS in 7m 39s