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

Build failed. https://zuul.opendev.org/t/openstack/buildset/384830214cf34b449cd9f68ec08e97... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5dd31b10331d4f7a9044ee546cf0da79 : FAILURE in 5m 41s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/264c92f760fe4820883a418b18a8f908 : SUCCESS in 4m 26s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ce0bbe69b7df4ff7a76e5a7136a24ca2 : SUCCESS in 4m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c6311137c48243fa830bcd8cd8488f94 : SUCCESS in 4m 35s