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

Build failed. https://zuul.opendev.org/t/openstack/buildset/c66aff40e5d3462ab3f241f209ecd2... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d8630670266f4dc8af6ace868b43ba69 : FAILURE in 4m 18s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3094aa1adce740e1a59f3e04c5d134df : SUCCESS in 5m 03s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9e8923d535b9439397252cc16524b96f : SUCCESS in 4m 34s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/537a1305bf0e4117a13915df195e53da : SUCCESS in 4m 16s