[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/f772260e8e4b4e82b4da3b9d92eb68... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/24a9e174d3e840aa80c9a07baf5ca2d2 : SUCCESS in 3m 14s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/35fb4be6a3894318a6893738c27884b0 : SUCCESS in 3m 57s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/93e9a943a7384dbab2772cf5222d0c0c : SUCCESS in 3m 11s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bf818cdedcaf473b93ea1e6eee35cb86 : FAILURE in 3m 16s