Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9bfab6c7721e4b92b506bf8fc0dd39d3 : SUCCESS in 6m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fa9edfaac045427495ce4ae9b92f7c8c : FAILURE in 4m 47s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e79bd57d4b794dac81313dff8b255f6b : SUCCESS in 5m 58s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6f94a7f83b8c416d8f43718b26ca319a : SUCCESS in 6m 06s