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

Build failed. https://zuul.opendev.org/t/openstack/buildset/27ab2b5f05e04efabb69c13821ab18... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7f723e91a97b4d46b22cd7065ed88ea8 : FAILURE in 3m 17s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/91ca7aae365a47f2b44d72f999e8b181 : SUCCESS in 4m 41s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a857c30a73714dc28ae667f9be9b3d50 : SUCCESS in 3m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/92f5a4672ba64aab89722f1141e39fe3 : SUCCESS in 3m 02s