[Openstack-stable-maint] Stable check of openstack/oslo.reports for ref refs/heads/stable/train failed

Build failed. - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a8fd1f10fa7643f6806e576b939b62e8 : SUCCESS in 5m 45s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/7ca50c9dbaca428f8dbcb7125d708c9c : FAILURE in 3m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/0a7082318ab9423f8b35e2f45ba141be : SUCCESS in 3m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/fb9586d4cbbf463f987efbad9f49c309 : SUCCESS in 4m 02s