[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/c08b80bceaa34577afe29819ea8d54... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/586557f3b34048a98bf78c9c9cce5d69 : SUCCESS in 3m 58s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/d037791aa9e7464381596a69045b0558 : SUCCESS in 3m 49s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a6f50358d1494ec398d3c8a0847e607d : SUCCESS in 6m 55s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/13858a8563f4436bbd7581c38e581945 : FAILURE in 3m 06s