[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/4cf46201fdb44e7faa952318bf6601... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/48d8109c94fe4a9c99debda5210b0bf7 : SUCCESS in 2m 44s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fcc2675070c44b63a10b319a1ac7d4fd : SUCCESS in 3m 54s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/e2aa1c12b0d94de5b829f9dfbc180b73 : SUCCESS in 2m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/23d8c4879c2445928073ea66c34463fc : FAILURE in 3m 31s