Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cbdfb73c266a4d50b2a8604a288cdda1 : SUCCESS in 4m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/814c48b9e08e4563aaa3202769970756 : FAILURE in 5m 54s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/76b8af5b58c74cf9ab69e682ebb123ed : SUCCESS in 4m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e0a56ae97ff549ca9efcc7cd2511be27 : SUCCESS in 6m 04s