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

Build failed. https://zuul.opendev.org/t/openstack/buildset/477d00500b7444e2b06160649ba46f... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2db41c1ba3004056b5d09900bb633e35 : FAILURE in 3m 29s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5bcd20a007cf4e589e2bb73c826529b0 : SUCCESS in 3m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/07b43fae0fee40e3a54899789b64e1fd : SUCCESS in 4m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f010bc97808b462a815ea7dd526d08e3 : SUCCESS in 3m 35s