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

Build failed. https://zuul.opendev.org/t/openstack/buildset/f2837bc834054c25a7b529e509e2b3... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/32b9d6ab18494057a5ff51f832eace68 : FAILURE in 4m 07s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/00b084de2a6145818c8230dc55e97ee5 : SUCCESS in 3m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/62fdeeec39e44d8aa9abe2661f83bf40 : SUCCESS in 3m 47s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e32947165ffd44a493fb14bd8c31eb10 : SUCCESS in 3m 36s