[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/cc4091bceeb24003ab27bc1e93cadd... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/e01235f3454649da84b07d87567d8d29 : SUCCESS in 3m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/332c1f7a34194bdab73fdb24f4a743d0 : SUCCESS in 3m 19s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/bfdc31b1b67d4aa09933d7e90baf79d3 : SUCCESS in 3m 08s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/36a740bc0be54ce1b549ea9c61d97cc9 : FAILURE in 3m 00s