Build failed. https://zuul.opendev.org/t/openstack/buildset/7186b7f112da4ec088f1606c902c218a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5636aab36dd74635bc218c588545be39 : SUCCESS in 4m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1572edb6836e41588744582b90669eb0 : FAILURE in 4m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7e85664f5de44535b211b3a0e062377f : SUCCESS in 3m 38s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c517232a064b40e88198e28718abcf7e : SUCCESS in 4m 06s