Build failed. https://zuul.opendev.org/t/openstack/buildset/ba4e69951c0246288f2116bae6aaceaa - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cd19f4881af245b0940a2426228632de : SUCCESS in 3m 59s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3141f6d6373e43d9a67bb8cf8c6c8c6a : FAILURE in 2m 46s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/10fe16bd48ab4b1e838a3b4eda685c5a : SUCCESS in 4m 11s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c27a98a7070e46fda347009e01d60c19 : SUCCESS in 4m 10s