Build failed. https://zuul.opendev.org/t/openstack/buildset/cb3660cd7a684cbf84a1c71303808b70 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1353e58d399a42f5ad02d3351d242094 : FAILURE in 7m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/51ef6ee13c354e51bc6882f111a25f9b : SUCCESS in 5m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ef94821b9acd44468c9e58d39c3c1f18 : SUCCESS in 6m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4952d20b7c654bf7863468e091fe05f3 : SUCCESS in 7m 06s