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

Build failed. https://zuul.opendev.org/t/openstack/buildset/a788905e182f437797567fed7188ae... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2a26e4a5f2034669bccb3b0cf922342e : FAILURE in 3m 25s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9f54ef3e981f4244a8773fb84162106f : SUCCESS in 4m 10s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4e180c7b4c204eada522a26e80b801cf : SUCCESS in 3m 54s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d3b3e97e1f76427eba0e6a757011f70e : SUCCESS in 4m 19s