Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/438c7068cc4a43a380d821c2d4ba831c : SUCCESS in 8m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/96211db62e3b41048adca395b9fc95f1 : FAILURE in 5m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6849e222829248f8ac7232f7ef0dd25d : FAILURE in 5m 17s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bc32afd21ad1461ea419c2e8ec755539 : FAILURE in 5m 46s