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

Build failed. https://zuul.opendev.org/t/openstack/buildset/591bbad3ccc0494195422d13a5515d... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8de4f2b37c0d45b7b2a4d18fd0229d23 : FAILURE in 6m 42s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c632c7776a6b4204a42eb5f83fbdda47 : SUCCESS in 5m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/634e4e8f83f2467aa627c0455a24ee5b : SUCCESS in 4m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/58e8fdec8f0a46ac839796ae0c9cb852 : SUCCESS in 5m 33s