[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/64aa390386804238920df296c2aa1b... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/18543073b6214ceab57db0be86e8b5bf : SUCCESS in 3m 50s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5bfae046f1bb47f6b4cec19aefed4600 : SUCCESS in 3m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/4883c7b682534b4184bae65c87784c49 : SUCCESS in 2m 47s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/f0874db480d941be9ed8b0f680c54dfc : FAILURE in 2m 52s