Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c434f893cd5a45c8a1500e9b2ad205c0 : SUCCESS in 7m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9d498c31bcb6468fbd763701d8486a97 : FAILURE in 3m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/520dd8fea2ed4b8790e9194545040b9e : SUCCESS in 10m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6635729af3de409b830962e879acc0ff : SUCCESS in 9m 50s