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

Build failed. https://zuul.opendev.org/t/openstack/buildset/13000aad7e7e45ed8d4a8253adfe71... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cdcd628be3b94a2f8caf7e1e153d2f15 : FAILURE in 4m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3077c3360256436a9cf00b19b5c338fb : SUCCESS in 5m 09s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1c0aca8091a948fcaa4617254cc42df7 : SUCCESS in 4m 30s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/88860a934f5f48e18394b41333e64468 : SUCCESS in 4m 10s