Build failed. https://zuul.opendev.org/t/openstack/buildset/0cfde3fee7f94cc9a2a8ad774b6ea176 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/eb3cbe9e2ee54154bdd42482d7aa1757 : FAILURE in 4m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a20fe64d2e204426a8509dbb475c9a65 : SUCCESS in 5m 12s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1e7ee4f1c730415aa63735506d620bf6 : SUCCESS in 5m 51s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b2f68eb259164cdc8298f8803e105172 : SUCCESS in 4m 52s