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

Build failed. https://zuul.opendev.org/t/openstack/buildset/19c3118819e642309116293faadbe2... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/44321555cd8442bfa881a130f1bd6b44 : FAILURE in 3m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/45f954e0e27045c6a744c94c9a5a25ac : SUCCESS in 3m 18s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4a9b0243a35e488c8dae5d643f826caa : SUCCESS in 3m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/45695d26662240b292b2e0079f972158 : SUCCESS in 3m 48s