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

Build failed. https://zuul.opendev.org/t/openstack/buildset/582bdda9413e46c2b88eeed2407fd5... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8ceb873f740b41a09697d9a9fa6fad02 : FAILURE in 3m 08s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/0af0b0f067db4c869df51c756a0fcc2e : SUCCESS in 3m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f0e59dad58194b33b412078dd51beb58 : SUCCESS in 3m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/622293e407d845868ce8c94de7f2e647 : SUCCESS in 3m 19s