Build failed. https://zuul.opendev.org/t/openstack/buildset/dc652579dd624d35bff669cab01d8f75 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7b7ce6e5fee443beb8d6323be6d44320 : SUCCESS in 4m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5a53a1750cb748d3b0504c8047c0c6f3 : FAILURE in 2m 31s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/082434450a87477185e966397ecd3b09 : SUCCESS in 3m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/402f2a3230fb4409af87e49e9ed3f29e : SUCCESS in 3m 45s