Build failed. https://zuul.opendev.org/t/openstack/buildset/6746f7eee64d463faa4c33f60473b16d - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e0f2262fb6ae4459a5ef682fca580df0 : SUCCESS in 6m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/079dbaccbd164664a4eb7744fe6ba9d7 : FAILURE in 3m 09s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6b4883ac5a8c4f549c3fa658f86808ab : SUCCESS in 3m 31s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/80db320a0dd7419d8acbaf05eea048eb : SUCCESS in 3m 49s