Build failed. https://zuul.opendev.org/t/openstack/buildset/1d52ba9c9c364e588216063e30feebe4 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/6ec57a410d6a4a31902a726f82940542 : SUCCESS in 3m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/6b5190004c174becacb33b84748f5f88 : FAILURE in 3m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1b0c0f25916741c6a4d1b8930c405c55 : SUCCESS in 3m 30s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0c8fd118e10642f1b979691b56593ee2 : FAILURE in 2m 48s