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

Build failed. https://zuul.opendev.org/t/openstack/buildset/ef22a1f9b8994c07977835b8ec8fbf... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a0a9461effd94180a53d022a7ef1d088 : FAILURE in 3m 39s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/453f14b1164b4b0d87a95bbc058071a6 : SUCCESS in 3m 45s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d0b42bd498b54a57a2a8fb72787c48ca : SUCCESS in 4m 02s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c061b3f434944f78a9fa34e9dee78ad5 : SUCCESS in 4m 22s