Build failed. https://zuul.opendev.org/t/openstack/buildset/1f7a66eb0bb94b459ce148437d1d7565 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e8269ebac9e14102b3c71c2c9a630c8c : FAILURE in 4m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/cdd48689bfbb49e6abf47f9f49d384dd : SUCCESS in 3m 05s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/68d159cebb724a8a80bce6a76959c78a : SUCCESS in 3m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/07971c66f7b14600b347bf77b869f798 : SUCCESS in 3m 25s