Build failed. https://zuul.opendev.org/t/openstack/buildset/0de7304e28a849ae9964e662214c68f1 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2c8ce8fa59fe41eab21b115336a0f997 : SUCCESS in 7m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f6279c9cacf84dc5a481c3c8cd9ed66f : FAILURE in 6m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2023d3ab552948eab8685ef0c21e75ec : SUCCESS in 6m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7646e849a9d94040b4c40f2b27c210f5 : SUCCESS in 6m 28s