Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/07479b1d65c848638d361ee6b242b6d4 : SUCCESS in 6m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7c6573d6aa2c485ca0caa5bab92b034d : FAILURE in 6m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/36eda324269944218f4b04ee0755b692 : SUCCESS in 5m 42s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/2b38d4cb6aea47b08d365c92c828f9c5 : SUCCESS in 6m 38s