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

Build failed. https://zuul.opendev.org/t/openstack/buildset/56e66467665f44ac81c5abeca436f5... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ecd2fd9847924434b0b71c71389efc65 : FAILURE in 6m 46s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d031957948c5412f9d643e406275bcc0 : SUCCESS in 4m 06s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/90ca2af6e98b40bc88576ef583833e1f : SUCCESS in 3m 30s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/41edfc73f0ae4fb485638eba4d6705c3 : SUCCESS in 3m 53s