Build failed. https://zuul.opendev.org/t/openstack/buildset/1527c2a83efd4558bd6fdb878bbfb72a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7f5ca058a1304b5caa19f2e98eb154d3 : SUCCESS in 4m 24s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0a024084e0f54e3e999dae7495f6b3d0 : FAILURE in 3m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/612119479cee446098fd2cf5c2dc71ec : SUCCESS in 3m 31s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b6fe7a23f1b2401ebe9bfeaa940a843f : SUCCESS in 3m 36s