Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3cc7705a970a45fb9d286ff8abbbc5c4 : SUCCESS in 4m 35s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fffd8c5970034f1188a8b50f666d81bf : FAILURE in 3m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3af0b0147f8c40318d3fe537264939b4 : SUCCESS in 4m 27s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8e8c02195fdb4a0c918afa5054e4996e : SUCCESS in 5m 12s