Build failed. https://zuul.opendev.org/t/openstack/buildset/38288eea33bb426c9b85aecdfd279cf2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4825f47ac6e24a588945e966625991d2 : SUCCESS in 4m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c2b6d132456c4c32bef0661cd64d008c : FAILURE in 5m 21s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b325144e5d964a619448eb9fcf6d3310 : SUCCESS in 3m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/377f801053f44d39b0b2740af997d8ec : SUCCESS in 6m 15s