Build failed. https://zuul.opendev.org/t/openstack/buildset/69bfd821814a40778c4e0c81fc4ce5eb - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ff500f90f06a46a7bac3cde18957e5cf : SUCCESS in 3m 25s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3b8b1959ed3d4afcb2a8ccf2ca80ab6e : SUCCESS in 4m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0defbf4eb602497da38e46fc520a7fd6 : SUCCESS in 5m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3c8b787ff6f5400f87af212ffb5cb193 : FAILURE in 4m 48s