[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/2365adf90b32414d9923f574a5c222... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7c732679e9ef4a238c2e11c970adc8c8 : SUCCESS in 3m 47s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/c80a366d1903435fbd9497d9b6392098 : SUCCESS in 3m 23s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/8515f223ccfc45d69ee1edc22a363a95 : SUCCESS in 3m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/dd81dbafbfb14b88b68163dc64806689 : FAILURE in 3m 30s