Build failed. https://zuul.opendev.org/t/openstack/buildset/158dbab715f14ea38034b4a8a23592c9 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f70efafbd4304b1d8b85683d1ecbc6e8 : SUCCESS in 3m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/450261a43fc54bf88c7bccf2b314aed3 : SUCCESS in 2m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d80d150831ce452f85d69c6c043f7244 : SUCCESS in 3m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e53dbef8b52c43cfa04fc7269b38d332 : FAILURE in 3m 08s