Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2ab3826baa7c4c88aecdad3388a466e5 : SUCCESS in 5m 54s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/beba04cc476a4281bac49a0412348486 : FAILURE in 4m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/dae6d040bf924b6d83c3c68672d652fb : SUCCESS in 5m 57s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7ab0ee38499a45418127af3e7d3d16a5 : SUCCESS in 5m 35s