Build failed. https://zuul.opendev.org/t/openstack/buildset/8831fb021d344fa68372302ed218a4f3 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/258fc78ad6c14563b59647e6122463ca : SUCCESS in 3m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/87fe01ad37ee4cfdaf17e7a1e46a9fb9 : FAILURE in 3m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/df6a95dd139e4e0b9c23d06e2450a924 : SUCCESS in 4m 53s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/fbdceb6c5f4840928ff0633f5fc65868 : SUCCESS in 4m 23s