Build failed. https://zuul.opendev.org/t/openstack/buildset/fe7c9a1d6b98478d87be69eae712849b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ca1dffd67aa14a3bb375ee75038baddb : FAILURE in 6m 24s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/2a2b6763ce844ec1b0a0c8d60d9af1c6 : SUCCESS in 7m 06s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6592df7af6ab42fea6d20c1ad7d46a67 : SUCCESS in 6m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e17909514b054684b183527d3dcbe7fa : SUCCESS in 6m 57s