Build failed. https://zuul.opendev.org/t/openstack/buildset/030e3e337ae44036a1127ecd82a76ab8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d7f0ebd4237f4993958acc092e5bb165 : SUCCESS in 2m 58s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/07a56b02250a4e6097d8520729c9954c : FAILURE in 2m 54s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/aa01c548933c4574a914c74496adfaff : SUCCESS in 2m 47s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7dbd1a3eafca402dab56d9e1df1fe611 : FAILURE in 2m 58s