[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/f94da50046dd42ba9708f38df402fc... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a692c602063b4a81817c8f75344a5d8e : SUCCESS in 3m 06s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9a11393bd34340fea5fafe90a3ce4705 : SUCCESS in 5m 37s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/96b567bec60049ebb7f0ec6b5825c2b0 : SUCCESS in 2m 40s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/daa838c699b34718b97d3f0207587855 : FAILURE in 2m 55s