[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/b7756eadc84b47fbbfac4b52605adf... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/534009070c2d400287777a93c95175f7 : SUCCESS in 3m 02s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/02a069c1a6da40debf58cdde8e6249a0 : SUCCESS in 3m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/95683f1453b144b79d6add1557b791f9 : FAILURE in 2m 59s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bf4b1cf58b864ed29601a2931704f294 : FAILURE in 2m 38s