Build failed. https://zuul.opendev.org/t/openstack/buildset/0968106d2f834153a6f0828db4eacbf5 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9700fde39fb94dd2813b062ed72e906b : SUCCESS in 6m 48s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5e41127bd5c242d4aa5ec51dd9898db1 : FAILURE in 3m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b093ddf4e4ee49fdb9831ce71f0c0944 : SUCCESS in 6m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6e536976b41e4962aab26c61f81af6f1 : SUCCESS in 6m 58s