Build failed. https://zuul.opendev.org/t/openstack/buildset/5ec401b91c7240d6a37a519410bca089 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/fef8f15afdc345b49c7e7acbb250a4fd : FAILURE in 7m 59s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c65e4a9cb1014e8784b1321275afef45 : SUCCESS in 4m 58s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8101fdabd1194aeaad078af005b71c1a : SUCCESS in 6m 10s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e655bed747a449de8d752a72dca09854 : SUCCESS in 6m 48s