Build failed. https://zuul.opendev.org/t/openstack/buildset/11b906ab911649a8b060e64a7bf2cfb5 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1aa2d3b76dbb4d368305c2b261b7abfb : SUCCESS in 3m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8b62906721f643fcac0bc5dbb8f187cb : FAILURE in 3m 33s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/85ff94c1d85d4843ac29d0e0ce1bc2d6 : SUCCESS in 3m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4d743d546d4643aca90f3c8ba8d70388 : SUCCESS in 3m 52s