[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/4f93a8936bf64a659c753878eaa0f5... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1d695f35ec684043bb996a6fdd976ba2 : SUCCESS in 3m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/3daa89e8b9134fa2af24fbb71e876cdc : SUCCESS in 2m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/01aabf631082403eb0556d64b107ab2e : SUCCESS in 3m 01s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/26732951bbfe45b9b86725edb9b93c55 : FAILURE in 2m 52s