Build failed. https://zuul.opendev.org/t/openstack/buildset/1a83f41c3ca54149919d561ced9ed186 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/da3203ef761b42a9906c06a2d071d5a6 : SUCCESS in 7m 05s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4c75153bb1d942b49effa61aad3c399f : FAILURE in 4m 59s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/72abbfd19b4e4a50b90592f8cfda17de : SUCCESS in 3m 33s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/eb36441d807549d9856db1385a192ae7 : SUCCESS in 5m 37s