Build failed. https://zuul.opendev.org/t/openstack/buildset/06de64dcf4974d71a9303ab4edab59a4 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/00d02b1c2ca742af9115685975a06eb2 : FAILURE in 6m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c7d82bdc7bb243d7ad81828e7c9e3c08 : FAILURE in 4m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fcf0ff88ee444750acce3b9f4f63a829 : FAILURE in 3m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/05dd3927d5554a298804ea7841a19a2f : FAILURE in 5m 55s