[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/73f44656a1544d8dad4485b753c80d... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/96b982ab758a4f43a7dbc3c4f011dfc1 : SUCCESS in 3m 34s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/43afcdf0583f4b139d046cae969ead45 : SUCCESS in 3m 39s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/58e9025ffaec489aac259b2b05b8e7a7 : SUCCESS in 3m 26s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/25559a7d06f34d33956345547c2b40b2 : FAILURE in 2m 49s