Build failed. https://zuul.opendev.org/t/openstack/buildset/ddbb3565d0d14d53b31e5a441a61350c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bfd8d77a79584f6dbfc648a4a9f0afb2 : FAILURE in 2m 55s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6b08e4a768a04332847e2101f79bf0b2 : SUCCESS in 4m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6c7eb98ecacf487faa4796c0bb1add22 : SUCCESS in 3m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2f2f1e74b960461fa804df720cfa0a00 : SUCCESS in 3m 32s