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

Build failed. https://zuul.opendev.org/t/openstack/buildset/ef25b4416ac54a0c9c363b3522687d... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/51a2fa7fc6cf470c8b28473acd329e4b : FAILURE in 5m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/349fb4abf86246638a431108a4928ae3 : SUCCESS in 3m 43s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/501b246ab0f94d619145641d63ada1f6 : SUCCESS in 4m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/458935bd919e47d38e5b664347774f1d : SUCCESS in 3m 49s