Build failed. https://zuul.opendev.org/t/openstack/buildset/d60c8b7c96a24a0b97e3a6bd1a84dbf6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d2c6e08cb0dd45f98e3f97821db6c83a : FAILURE in 5m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/361394d62fb3406291f90c9f31ebf904 : SUCCESS in 5m 09s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/743d5cecd1b7485f85d4e82f00dcaf34 : SUCCESS in 5m 33s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/72c542f8c4ab45a0aa2506bb7bd7f6db : SUCCESS in 5m 37s