Build failed. https://zuul.opendev.org/t/openstack/buildset/55f5e596aa9d4e50acb8ee944f7a8b88 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/90638181a366447e96890b9ba7c80858 : FAILURE in 4m 05s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1d1f9d9112f44ba5928a843c6b653e57 : SUCCESS in 4m 40s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b22e970d55f142479406f333d53a3bf2 : SUCCESS in 3m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3b0f0ffb5a9a4b70b2764655df913432 : SUCCESS in 3m 53s