Build failed. https://zuul.opendev.org/t/openstack/buildset/e48c43ebbf6940c5ace2b78a4800ca4a - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cf56a16fb2ac4e2da122394d1f1e48e9 : SUCCESS in 3m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/83c82b70228b445798ff22d812091077 : FAILURE in 4m 15s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a3f9b7afbefa40a2b42a1c12beb7219f : SUCCESS in 3m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/66cb4891e66348178153ac9e6f42d64b : SUCCESS in 4m 16s