Build failed. https://zuul.opendev.org/t/openstack/buildset/f54a00d5ef7449019a0cf8cdb78a5053 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/210c97af4c3445e2a625b0598e1cbe13 : FAILURE in 5m 56s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9681505543364990b187aea1db42c8db : SUCCESS in 7m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/44880d2247de4992b309d6e3ddbb1c73 : SUCCESS in 7m 13s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ff6773ed452e4143ad950ccbabcb7b89 : SUCCESS in 7m 39s