Build failed. https://zuul.opendev.org/t/openstack/buildset/05bd2bbbe01643a3802f7c9f31c87100 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f9ccb74248c441248ee316391bf9b9fe : FAILURE in 3m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2047dfa275924af8a832c369f6d5169f : SUCCESS in 3m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/74aba857e56b41abb137423df069cf36 : SUCCESS in 3m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9e3d8b6b452b4729b3b3d057350296af : SUCCESS in 3m 35s