Build failed. https://zuul.opendev.org/t/openstack/buildset/dc29cf51989348e589ad8233e8943451 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a1729c25e9b648f3a29a5576a7c4ef24 : SUCCESS in 4m 38s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2398a384850442c3bba848678d8d283b : FAILURE in 3m 52s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ef0a5aecbc2f4ed5af6ada5c7b7fa9bd : SUCCESS in 3m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a4ee84956e524a08929fb6404e7fd910 : SUCCESS in 4m 02s