[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/4aa8f6ed94364cd491f1d23c736e76... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3a3c1fcd71584990a64f04cf5cdcb731 : SUCCESS in 3m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/04bf76c7866f4f67a4e309af71aa58fa : SUCCESS in 3m 01s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/d804d0cbb6444778a6f990d139edb1e0 : SUCCESS in 2m 54s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/1be146d87021492b8f14a65a442ba614 : FAILURE in 3m 13s