Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f7091e2e6f7b4c5bb594e8200969056a : SUCCESS in 5m 46s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/89d301c77b3c4e11a1667c4fb7ce2637 : FAILURE in 3m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a25ddd5fa6a641d59d37cd307d121ae5 : SUCCESS in 5m 43s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f1a6dceb72d045a384799287e5f68ecf : SUCCESS in 4m 24s