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

Build failed. https://zuul.opendev.org/t/openstack/buildset/f0864c4c313f42a7ab6c84d0d3a2d8... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1e47c1fe7a0a47388754ae54287f3a19 : FAILURE in 3m 25s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6bff6e6a56044104ac65273ff4f811af : SUCCESS in 4m 19s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/232823963e5f4ad2a6a31c122f651e54 : SUCCESS in 3m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ef5aa66155e2428aae8a409eed8223f8 : SUCCESS in 3m 46s