Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/72df1e5724514184a9052a24ab8d800d : FAILURE in 3m 37s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b5c240bb742243b99a8815d837e09100 : SUCCESS in 5m 22s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/34a87dc6a99a40b7b82071f54550592b : SUCCESS in 4m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4cd8591e71ae4d7d9a6e7ad14a2cb510 : SUCCESS in 7m 06s