[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/22ec21fea4da4675b07dbc2d842e81... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7263e764bc1d4f59b02f11304b53de63 : SUCCESS in 4m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f0c295ea903d48ccac06c28bdc30c62c : SUCCESS in 3m 05s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/6e99e03348b249068c3308a5f35859b6 : SUCCESS in 3m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/135c192adbd142279219310a1bcf66f2 : FAILURE in 3m 26s