Build failed. https://zuul.opendev.org/t/openstack/buildset/d508ed7e82fc4c50821fdd48f59ad895 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6a455d798a30413db807e4bb30f2fd37 : SUCCESS in 7m 23s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/169e203eeaf440afa3f923f6427fccf0 : FAILURE in 3m 44s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d8b6a067253a4f3094c920cdc55ac164 : SUCCESS in 8m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/3a23c4a741ec4bf3b9e4c07870b95ae6 : SUCCESS in 10m 47s