Build failed. https://zuul.opendev.org/t/openstack/buildset/13cfcb8e64074434af9ed185a29780ce - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cc7d92e4f82c4cffb48a1f4e4738c1c7 : SUCCESS in 3m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a54f027cf4b94536931d4f9c8e5df1ad : FAILURE in 3m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7a87405345c643cd936fac3a9925eff3 : SUCCESS in 4m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e3861d0590a14478a01af21a67e1b519 : SUCCESS in 4m 51s