[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/0ea93a6ce1354df4bef721f1f6060b... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c2570c700d50487593ecf03c0d716763 : SUCCESS in 3m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a4c1b8830aaa438e947ad52e6af48bd3 : SUCCESS in 4m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6e267d6b688441ee83524e2161275dbc : FAILURE in 4m 51s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7b0465a175964f0489929f78bcd13cdb : FAILURE in 2m 27s