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

Build failed. https://zuul.opendev.org/t/openstack/buildset/cdcbb0f01d55499d80d1bf99d87f8e... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/73809f305db140039e70fcb2058907f9 : SUCCESS in 3m 16s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/dbc3bbf9234c42b48fd53ed86138acd1 : POST_FAILURE in 3m 48s - openstack-tox-py38 https://zuul.opendev.org/t/openstack/build/5acca9f5460746459988dc06b81119a8 : SUCCESS in 3m 23s