Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bce6911565d64effb03b19aa5895246e : SUCCESS in 4m 31s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/50cb2e8edb844443b1b988ec6bed81f1 : FAILURE in 3m 11s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/3932f6404d414765a1600ddd1bff7132 : SUCCESS in 4m 25s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c71dcbfe0cc941718d35f17331da1b53 : SUCCESS in 5m 36s