[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/dfc59c8eb75244f0b2047c63cc3629... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/66ede72afb0744abb55d9578df416800 : SUCCESS in 3m 15s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/203629dd0f0a4d80a40cc3f1bb9bb4ee : SUCCESS in 2m 56s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/22ad9814c73044e68357a2987aad4371 : SUCCESS in 3m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/50aeaf88e08c46c1ac03c001e0b3a106 : FAILURE in 3m 20s