[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/8e07d60754b8479c80f4a4c05eade3... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/5a19873a93f54c8a911b4e4d28c80f86 : SUCCESS in 3m 01s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/8dd62ee853674e98afd779f1c35cb15b : SUCCESS in 3m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/19477d8160a1448e811347db5d32c007 : SUCCESS in 2m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/395de9a26c604588a8583b367045ea66 : FAILURE in 2m 55s