Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6172a60b0a8f443792932d46d5a21479 : SUCCESS in 7m 17s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d88823317ecf427e81e0e511bdc1217e : FAILURE in 7m 21s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/04524334c9064ef682ce07452658164c : FAILURE in 6m 47s