[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/cfc4e44778854889bb07dc9d991399... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/d0cbf5514a154c6abf2d8639c328678b : SUCCESS in 3m 05s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/202338700cdf4ac3afec1dffb1cb8c9c : SUCCESS in 3m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/47bb0a7d51c0443ab9079d530ad005fb : SUCCESS in 3m 15s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/5ff3336e8ca449b7a089e684023456dd : FAILURE in 3m 07s