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

Build failed. https://zuul.opendev.org/t/openstack/buildset/52653f22d64f4266be4fadcdbff1c6... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/292e029694884f32b3c250a7c4aba633 : FAILURE in 6m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/62742577858549598406e92a4d1e54ea : SUCCESS in 4m 31s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/51a08967c90b43428e9974a9ffcfd135 : SUCCESS in 3m 30s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/36b26b5d8b5a43fcb32f53cd96e24bbb : SUCCESS in 4m 11s