[Openstack-stable-maint] Stable check of openstack/keystone for ref refs/heads/stable/wallaby failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/188903619fb74ed890d9301aab6060... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7dda4835deae4d598a5babe9678c097e : SUCCESS in 12m 22s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bbab04c7efa046eba5efa36d591b02e5 : FAILURE in 12m 21s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/8e2f96a2072143cd9618b78dcd9e535b : SUCCESS in 16m 40s