Build failed. https://zuul.opendev.org/t/openstack/buildset/d717712dcc024a028b1285d0c6e397ee - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b2f46ade74bf490a9731b9fe33cc3bf2 : FAILURE in 5m 03s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1e39fe5301de49038a36f0807fb2221e : SUCCESS in 4m 14s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/aa25496c4701488991c7d38516c2adbf : SUCCESS in 4m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a59e6060c4c34da59824f719c9183d56 : SUCCESS in 7m 05s