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

Build failed. https://zuul.opendev.org/t/openstack/buildset/073b9bad7bb848b8b8a3e412230ed0... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/582c1e4f327e481ea0b6c17a232786ef : FAILURE in 4m 50s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8d2e3aef25f64dce8af35f978e5bc4d8 : SUCCESS in 3m 14s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2944fb77540749ada86a8197b71b5baf : SUCCESS in 3m 47s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/042e9629f1c7484f9450894a2596608f : SUCCESS in 4m 00s