[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/f3c6c83af5ee4587bd1754ef28bb28... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3c1c68f9f5284ae28b5a50c29975ac08 : SUCCESS in 3m 47s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/4859f15b49064a9b871583a6e64b4b7a : FAILURE in 1m 59s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/12b7d415cb0e4eecb64c852ad57ae4b9 : SUCCESS in 2m 49s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c353b26f48c849cc990e1bf20e4e4b90 : FAILURE in 3m 11s