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

Build failed. https://zuul.opendev.org/t/openstack/buildset/b498522cc6dc4b278448b5c5a3ab77... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/02b5c9c8d04046fcb8cff9775de594f7 : FAILURE in 3m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8b02f368790b4678b6808d15969a1db0 : SUCCESS in 3m 31s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7c3b702068a84e81babaf1d9df3dad45 : SUCCESS in 3m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7d1d8196b7e7400e93d18485014174c0 : SUCCESS in 3m 27s