Build failed. https://zuul.opendev.org/t/openstack/buildset/b104058da3704728911aa64ab760e18c - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d95532b4ab9f4a238e0b7f761e53887f : SUCCESS in 5m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5dba2f7be3094279bcbbb86ae2655de4 : FAILURE in 3m 14s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7be56eab8c444e44b2f6d27d4b7f6bab : SUCCESS in 4m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7ac26ff04a254308a4c47d3029378776 : SUCCESS in 3m 45s