Build failed. https://zuul.opendev.org/t/openstack/buildset/0a8a1e695f7041ae92814c07d8c309a6 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/50ea3c91747a463592cbee5a58ec80ba : FAILURE in 7m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/05001c3822344947aa7cbdc5acd260df : SUCCESS in 5m 30s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/094fd19f624a43b7b000eaa1b7c377f5 : SUCCESS in 5m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/fca55eedb17149928de7cf928ee10ef5 : SUCCESS in 6m 20s