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

Build failed. https://zuul.opendev.org/t/openstack/buildset/52ebae71e7f14466a0815834540676... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/4fb4998ad0314d70bec7251446750bc9 : FAILURE in 4m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/13611fc398c443eb8f12ced1bc7aa6b5 : SUCCESS in 3m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ee2cf8c6812a4e888d74bcce17de32e8 : SUCCESS in 3m 41s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0b1f6d5778914fa4b57938fe5e18aafd : SUCCESS in 3m 25s