Build failed. https://zuul.opendev.org/t/openstack/buildset/2829756922ac42ababd9a6134870d3c0 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e2950fb3abba44bb9350fd4e83bc7771 : FAILURE in 3m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/327bcc99161447bcb8de38cf6329fef6 : SUCCESS in 7m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/29d473e6171746fe9a2fdb92ad538b4d : SUCCESS in 4m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b6cfc08375cd47faa2b8ae88054a5ecc : SUCCESS in 3m 55s