Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5d781713783c4e95bd87b16ccb5429d4 : SUCCESS in 10m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4047535fbe404327801766524a3def62 : FAILURE in 4m 38s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1fe6775fb180456887339232ea95a17f : SUCCESS in 4m 43s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c1498247cafb40d988904e9a7b733c6f : SUCCESS in 6m 09s