Build failed. https://zuul.opendev.org/t/openstack/buildset/7eed8abdec9c4e6e9ea315f779aff5aa - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7c965cfb317c46ff844e42f12e27673c : FAILURE in 3m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/cd862680425b402ba302efec3176ca43 : SUCCESS in 3m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4256b1d82f8c4878aed1b58c5d851c3b : FAILURE in 3m 48s