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

Build failed. https://zuul.opendev.org/t/openstack/buildset/2649de03630440bfa2e3ee2f7f2ed8... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8a8579b63f9540fb940ef2c8d39eeef8 : FAILURE in 3m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/92a5d6719899410e8f890663e0a90235 : SUCCESS in 3m 22s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ebd2f7d7e3014dd69602e50379b723c2 : SUCCESS in 3m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/237669e860ce4f87843f026bcb6e99d0 : SUCCESS in 3m 56s