Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3c239b1e6819435696826a9b3ccabd72 : SUCCESS in 18m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5652e91907154ba3bebe21ad2c97906c : FAILURE in 4m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0029dd05d94c4fdfb1dabaf6cce9aa56 : SUCCESS in 9m 43s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5d0ad81a5400404a9a699ccfeb9cf875 : SUCCESS in 9m 48s