Build failed. https://zuul.opendev.org/t/openstack/buildset/12e2c8dd1c2643ce884691136ad3d2fd - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/dd5a22d546aa4d77a245ae05685227f8 : SUCCESS in 3m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/5904fabec1b94c5fa24d752735150a47 : FAILURE in 3m 23s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e428202067ed4e65ac721adb21487035 : FAILURE in 2m 37s