[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/45c2e43138f5466fb76f42b4fd1a88... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/69f896ad9e794d47afa99c1b0af269a7 : SUCCESS in 4m 09s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/e4bfa92c0f6540e0bed910f918d305dc : SUCCESS in 4m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/f74b314734594ddc9dfe6fd93d3ffe6c : FAILURE in 2m 52s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/67af1c7c33e14ace8eb101bdc09f90ee : FAILURE in 2m 39s