[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/eb08b3c144b94880938e25dd0fe30d... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/8497132233f74f7fadb01ced03ba185c : SUCCESS in 3m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/34e0fe1a1fc74b7e9dbd88603200c9b2 : SUCCESS in 2m 53s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2514821e27eb42cb8d743a4172b72d93 : FAILURE in 3m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bdbade77046f47f6b042db5f30b7f333 : FAILURE in 2m 43s