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

Build failed. https://zuul.opendev.org/t/openstack/buildset/88a0b75332e5426abaa785a8781fea... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7d49489677fb46a8adf61e68fafc2a03 : FAILURE in 3m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8a178c92f41748c2b6d86b34aecbb8b2 : SUCCESS in 3m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/edced08831c74f0782b70f3acbb6be96 : SUCCESS in 3m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/268228bd96a4429ba0480dee841f8dbc : SUCCESS in 3m 31s