Build failed. https://zuul.opendev.org/t/openstack/buildset/d9893d1ad22a4b4c8f1020cf62eec52c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/947b7d16d6af4a73820a3fd139396a20 : SUCCESS in 3m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5df357b5f4974cb59c5cd3ccf4c8f19c : FAILURE in 2m 48s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1029607669c74bd0b66a48b1f5ee3bb3 : SUCCESS in 5m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/cdf4d3d6c43240d7815b08009f2f813a : FAILURE in 4m 39s