Build failed. https://zuul.opendev.org/t/openstack/buildset/12f1c935a05c4957b1def359a199e1a8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/00f8ec18347f4d7ebe753e88f4bbef02 : FAILURE in 6m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8d4cf2a6e8754317bb77b718558cb10d : SUCCESS in 5m 58s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/08c82a27f204486cbd2087bce5dfaa1e : SUCCESS in 7m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/9a66081ef7f5485c8d47b9b657cafb27 : SUCCESS in 7m 52s