Build failed. https://zuul.opendev.org/t/openstack/buildset/0af0ad1c1ce54e8ea85806442678a7a3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/93208fa498014f2bae4159e7bc07db93 : FAILURE in 4m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/359f5614c9744cfab270535475551c39 : SUCCESS in 4m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e08f439b07f74d1e9c5edc04e046420b : SUCCESS in 3m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/57bf2118946c4f6abca2b13e30e9ce58 : SUCCESS in 4m 46s