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

Build failed. https://zuul.opendev.org/t/openstack/buildset/a72a67d2fc29472cac5469615b3262... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/ec24a8652a744895b93b0578135b0672 : SUCCESS in 2m 57s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a84bfde06c63493fa07767e979fc307d : SUCCESS in 4m 09s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4a3a3e3801334315a67f1521d1aef258 : SUCCESS in 3m 05s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4309ff4e798a400692e78f7cdaec1bfd : FAILURE in 2m 54s