Build failed. https://zuul.opendev.org/t/openstack/buildset/94adfafe197d4a1c9e72e4d8f43b8b46 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/df8a125e472e4355ab7e3010fdb84192 : FAILURE in 7m 04s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9e51489a5ef840c2a10edd44cc665f7a : SUCCESS in 7m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/98acd21010f5435db2975842ebc9ef7c : SUCCESS in 9m 56s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/dd5a2aba472c45fc8f1427475af8d5b2 : SUCCESS in 7m 14s