Build failed. https://zuul.opendev.org/t/openstack/buildset/a3b8abaa7de24a43999fb3ce2ec52f5b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/948e8b49af6b4bd1b793de565d1c2808 : SUCCESS in 3m 15s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/25ffacef3f53467f9df7a7422ede3bd3 : FAILURE in 2m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/cdb1ba808992455a9aa04089ed601bbd : SUCCESS in 3m 04s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a812fa75937340b98ddbc88ecdb167db : SUCCESS in 4m 35s