[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/f446296bb0864d87a270e75809b2d3... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a67b8f6947a6404782c1a2dc77f25d17 : SUCCESS in 3m 40s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/fbd66af371b74c18930124f3c00df368 : SUCCESS in 4m 07s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ef63edee7fe7405898cf36fc089073fa : SUCCESS in 4m 00s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/76f5c43aa6e14706b2f2b7ca4d0746db : FAILURE in 6m 20s