[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/4671fd63559b4e0991a0f004e9eb3b... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5f000ee3d5fa4f18a60a1dc7b2db904f : SUCCESS in 4m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/cd733f99c3f34ce38c42cbc8cc5d173b : SUCCESS in 5m 06s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4d217f8f75664db792d63ec00b080a0f : FAILURE in 4m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/00f2e4a2be704c12b1650a0135f132a5 : FAILURE in 3m 46s