Build failed. https://zuul.opendev.org/t/openstack/buildset/4679c078cbd6448ea809c36676b83a1d - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d8a0f6a574584fb9b9851e1c5ddd3b72 : FAILURE in 5m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b777e513bd13481db350a71eaa529628 : SUCCESS in 5m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2c3a25208d714e28a366a23e67a7e855 : SUCCESS in 5m 30s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/38352f6ef1a54262a8135f1079e4ee52 : SUCCESS in 6m 24s