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

Build failed. https://zuul.opendev.org/t/openstack/buildset/efe36a769c6a4f85b43ee9dcfb5a81... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/2249dfe7d15b4ec7aa6f23ef463e3f08 : SUCCESS in 4m 12s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/647b3e0b628043229afc4e007966d6c5 : SUCCESS in 4m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/edcd805fb4b943918fbea87f2fd65588 : FAILURE in 3m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ad827a41ef254ae8857ccf9e9d6b9bc7 : FAILURE in 3m 06s