Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/0b25b6af7784443982fbedf836b3a739 : SUCCESS in 7m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/68f946e6e3fc4bcc90afabba5596a18e : FAILURE in 4m 34s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/90b7e467d35544989f8eea52d76c1e09 : SUCCESS in 5m 48s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d29dea6ff1b74aa3811c87931df4a55a : SUCCESS in 4m 53s