Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/10b13d7941734005af304abbbda227aa : SUCCESS in 9m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f7cb86cf88c54d57a6eeafa03b02febb : SUCCESS in 10m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/76f781b10e914b7685aa7644eecfb323 : FAILURE in 11m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/fb6ce0cbd8b548629263687ac8110b43 : SUCCESS in 9m 26s