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

Build failed. https://zuul.opendev.org/t/openstack/buildset/7505b149c5c143e1b5d0ef2a9fdd82... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/17f9975221c14c288bc4c03b83b2b058 : FAILURE in 3m 24s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a4189cae1c184b2daa0551f8fe687496 : SUCCESS in 3m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e90f183b038d425dae0a8cdf854f6873 : SUCCESS in 5m 20s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/89c80b0f97d94e568a841ca70db4c84b : SUCCESS in 3m 56s