Build failed. https://zuul.opendev.org/t/openstack/buildset/c56ecfb1a9774cab9dfb9e7a01c28e3c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3349df7d41374167bb996b3e269da892 : SUCCESS in 5m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6266290be8ad4f10a8e6c598af758f95 : FAILURE in 3m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/83b00aa999a54f56a594faa78c4e30e9 : SUCCESS in 4m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6bcd9fa8009d480ab882712c3bfddbfc : SUCCESS in 6m 06s