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

Build failed. https://zuul.opendev.org/t/openstack/buildset/8a6e822c89124c8db5362f0290e566... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/48ae4463ae3d4ed2ab7658f015b90d0d : FAILURE in 4m 26s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/49d8864d46ac44609b9764590a7ef1ec : SUCCESS in 3m 59s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4f283bcd54624f64b5776ecbc9337dd2 : SUCCESS in 3m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1a565a64af3b4decb0f11ed840dcb995 : SUCCESS in 3m 28s