Build failed. https://zuul.opendev.org/t/openstack/buildset/e9d228d8ee024a02bbb1334e218408c9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c02b2be5443a455eb922e5c3343ef876 : FAILURE in 6m 05s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e077d0e4d6e84fe499227a57dffac21c : SUCCESS in 5m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/dec87ea695324b59a457d4a0e2e2f659 : SUCCESS in 5m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5824bd6896f24aba80b4e9fb33ddeec5 : SUCCESS in 6m 25s