Build failed. https://zuul.opendev.org/t/openstack/buildset/d44bde8a32fa40d19ac98dbdc1ef84b4 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/05542573ff8d47baac2f0a5d19491d4e : SUCCESS in 3m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0adad5a521b24098951d08acc2dbe560 : FAILURE in 2m 54s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4661899d3c3f4035b3ed359f3d97aee4 : SUCCESS in 2m 46s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/583eb214feb948839430f99330f106df : SUCCESS in 3m 06s