Build failed. https://zuul.opendev.org/t/openstack/buildset/3a80e85b0ab4442197850c1d6ce27ea2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ed755c332297451b8c69ba914e2ef199 : SUCCESS in 4m 23s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6a12b199c38f4942a6c18fb1a2203225 : SUCCESS in 4m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/eb8014e9ee6246ea9d2461159afa77e6 : SUCCESS in 3m 39s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a703f4b212ee41cb935e3394e6acfe0a : FAILURE in 3m 43s