Build failed. https://zuul.opendev.org/t/openstack/buildset/565e6812dfe0463a9349d45d78fbeccb - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/266322996b904300939e8d9b97e06337 : FAILURE in 3m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/746ad7935e5d42cc8327f82090dff3f0 : SUCCESS in 2m 51s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/11099350f11548e0b35c2ff1902bf650 : SUCCESS in 3m 14s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1165143da0854aeea78f9a790c1b13ca : SUCCESS in 3m 24s