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

Build failed. https://zuul.opendev.org/t/openstack/buildset/e03850597b0c456abaf72711edf1db... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1a5a6bc1cd5d4516a34e2691db564d71 : SUCCESS in 4m 33s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7eb54a8b695c4c68a81507967faafeb5 : POST_FAILURE in 3m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/026b6e8a5b504a0caf520fc0dca5e323 : POST_FAILURE in 4m 44s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e7dc0004b24142a6bdaa0b05c8012c23 : SUCCESS in 5m 10s