Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/64222cbe5bd74267bc40c9313719fd20 : SUCCESS in 4m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b0b2b947080549749aa2378587dc186c : FAILURE in 3m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f0fd2fe8ce1d4ab49809f85dd625eb1a : SUCCESS in 4m 21s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/125c6e3946fb47828a22c8b596ac2917 : SUCCESS in 4m 31s