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

Build failed. https://zuul.opendev.org/t/openstack/buildset/c7841e8143374afc8fa8bf6603fbcf... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/72d5045e16d44ffebc3a92c9a303127a : FAILURE in 3m 35s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/de50d29ec31e42549e75c596079c47b5 : SUCCESS in 3m 35s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/fedc3106af334a1997a2d8ca735ad15b : SUCCESS in 4m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4bc6e734a981420486263ee0ec119489 : SUCCESS in 3m 38s