Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bbaefb884440433eb536351774590513 : SUCCESS in 4m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/12f6d84554104283bfd3dc1b47166edf : FAILURE in 2m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d2858524bd8c4392ba969113d44053d2 : SUCCESS in 3m 42s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/dac16bac70ea4463852cf01f6b0af41b : SUCCESS in 4m 14s