Build failed. https://zuul.opendev.org/t/openstack/buildset/39afedc8f7bd45e4b8f84c47fa8c45b6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/482030765e2945bfaa6ff8c806a88deb : SUCCESS in 3m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d67aae8ddb1d46d3a59b5c61423a157f : FAILURE in 3m 24s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a706afb62c074248833833f051962efe : FAILURE in 2m 38s