Build failed. https://zuul.opendev.org/t/openstack/buildset/d828cc84726149cf94a602b2c462d02a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b08ccd2467b048b8998e786e66215c52 : SUCCESS in 2m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/17c9940e8df048fbb98e83422fd53786 : SUCCESS in 4m 17s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/364b8d9fb7cb4a269f5c43c0822debda : SUCCESS in 4m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ed6a0d8e9f034e59a6aa8864803ceb4c : FAILURE in 3m 41s