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

Build failed. https://zuul.opendev.org/t/openstack/buildset/efd4149e24cf415797d7bbd180ef54... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c2e3dc41d88e414b942558809f1cd0cb : FAILURE in 3m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e221c4e9394a4a5cbc7b217d51acfedd : SUCCESS in 4m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/12f1d84855dd46e68b5f839cb9865153 : SUCCESS in 4m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c92aa17f0b934feab104ddde8b757eb3 : SUCCESS in 4m 09s