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

Build failed. https://zuul.opendev.org/t/openstack/buildset/d3caa57d60384479a97ab3ae6a8855... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7e9f16f76ab24eb1b67853636d6634ec : FAILURE in 4m 16s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/ad5bdfb870ed4bf3a74d08feca9bb932 : SUCCESS in 4m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/72ec042db85e4517a5d66dda7abd41f1 : SUCCESS in 5m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8fdcafaa9c17454b9da10f46d2b9ce3c : SUCCESS in 4m 48s