Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/30975df39510403a9618ea643269695a : SUCCESS in 6m 46s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a0c168fdceeb41efa6947616b30c6512 : FAILURE in 5m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0ca1d46840ee4679b180c166118c4c4c : SUCCESS in 3m 33s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e71e3bf24e9f43b4b8ddbae4b85bffe4 : SUCCESS in 4m 13s