Build failed. https://zuul.opendev.org/t/openstack/buildset/9be073b2de894a2484bdac6c72b256f1 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a3d52b61510441b6b7f8ecfd09890799 : SUCCESS in 4m 23s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/85ba2538f52d442894aa02192d123928 : FAILURE in 3m 17s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d7ed82eda3a54790b8825385fa91c8aa : SUCCESS in 3m 07s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1a242aba6eb642189ca73543d1705657 : FAILURE in 3m 07s