Build failed. https://zuul.opendev.org/t/openstack/buildset/22336a2bb7fa4d5b9344dd2c5384c9de - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/006b5f54837a4181be874f9640688595 : SUCCESS in 3m 27s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8cd2f21ff360452e9ec86c7ad17e174f : FAILURE in 3m 13s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/571282e5150b46b38494e9058ac5a790 : SUCCESS in 4m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/497fa161966a48b883394a75a411a3b7 : SUCCESS in 5m 30s