Build failed. https://zuul.opendev.org/t/openstack/buildset/69b7c43e62804d929d5f2afabf484829 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/638098bd676d42fbbd8c64921f26d7fd : SUCCESS in 4m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/69a1de5047254c1a881125cc02bf73a6 : SUCCESS in 6m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4a6a2ac207304262af42550c66823144 : SUCCESS in 4m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/05894710da914533b8c529252eb6a984 : FAILURE in 2m 54s