Build failed. https://zuul.opendev.org/t/openstack/buildset/3c980a4c55d54588b3ba689eb85cdd02 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8aae7e77102e4e7bad26e63c73f2b1cc : FAILURE in 3m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b14a2424d4344fa5a50e5c6c6ec7b7f4 : SUCCESS in 3m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/34d612daeff14140b569471529a0ebac : SUCCESS in 3m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e565345c40704ba89b119f7debe9c1ff : SUCCESS in 3m 25s