[Openstack-stable-maint] Stable check of openstack/oslotest for ref refs/heads/stable/train failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/c7499bb9543a41e8929200d456d3b8... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/aee20f62992a430babde22c775686a00 : FAILURE in 2m 32s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/9bf4b94d91304022a34f5ab2732c0a01 : FAILURE in 2m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1ac9ea3062ba4d9294640da3407334fa : FAILURE in 2m 03s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/e2363a245aa548c8b6470442eb42c702 : FAILURE in 3m 25s