Build failed. https://zuul.opendev.org/t/openstack/buildset/8127ed95ecd8428faaf7356a3564dee1 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/797eac816c324f27a5add672452f903d : FAILURE in 8m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/77d32cd347a24c9eb0ea129d0ddf1bbe : SUCCESS in 5m 20s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1f0b839992944fb4899eadcb8fa9f97a : SUCCESS in 5m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e52ec8887ede4310bb8bd3f46fd1d539 : SUCCESS in 5m 53s