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

Build failed. https://zuul.opendev.org/t/openstack/buildset/fcaab1c4366f4b28820ae26161d33a... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1ef233a2b72b45deb4bacb20fbe39906 : FAILURE in 3m 36s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/821055ec5b8c496e8c3b009c6d9ac474 : SUCCESS in 3m 36s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/59d22bbd8a374329959962c56d00483b : SUCCESS in 3m 31s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/d4164fbc9bb14a9baf2b5f2565f3c600 : SUCCESS in 3m 54s