Build failed. https://zuul.opendev.org/t/openstack/buildset/8aad7074916d48d98268fe601f343657 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f12740ec7dc04b6d8e24ff212d471cdf : SUCCESS in 4m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a6f03c1def0f461f841b5400b9535dd8 : FAILURE in 3m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/796c0e7da3d6475a835afaded959fb18 : SUCCESS in 3m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4077eb28e64845a394660d51df890e07 : SUCCESS in 3m 59s