[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/a046f10ed9a744d29c587a941bfe23... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/da8cac156caa4eb394d709f8ff1d70f4 : SUCCESS in 3m 19s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1a91714432bd450e8df160308c77e230 : SUCCESS in 3m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6dbd61afcad54e9bba22cfcd8a484b4a : FAILURE in 3m 19s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/b2039890763b49b5b6dd4925f2402480 : FAILURE in 2m 24s