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

Build failed. https://zuul.opendev.org/t/openstack/buildset/a427f05e7cc6496e87d4ac53b782f3... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/acd43b7fb1284833bca1a4dc309b4044 : FAILURE in 3m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0449089245c54ed689224215cbd54e38 : SUCCESS in 3m 53s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e84de8c32d1546028915ecbcccab1f32 : SUCCESS in 3m 18s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1e357b3bd27448e5b302486cce7af4a3 : SUCCESS in 4m 00s