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

Build failed. https://zuul.opendev.org/t/openstack/buildset/b49b14e391e64308beb8deb496ad15... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/f23c564758f741969e2bb454976f6e4c : FAILURE in 4m 35s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/808d53dadb6f408e9313c2709a6fcc4b : SUCCESS in 3m 33s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bbd34fa7e059465b9d6d00185c12c16e : SUCCESS in 3m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5a52965904fe429bbb718615bfddb737 : SUCCESS in 4m 35s