[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/c2207f5c71a641d999166330512927... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/091bc37da9404f5585d700b0b549bcb3 : SUCCESS in 3m 35s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b5c283225f9a46e4872ab3c5771e6486 : SUCCESS in 4m 00s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1ef2a630b1ca4f7385e1f0a96730b0df : FAILURE in 3m 22s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1f7bb8aae4554d759c9b12f955d7cd78 : FAILURE in 3m 01s