Build failed. https://zuul.opendev.org/t/openstack/buildset/6d9d076421854f609b8846fa7b3359b0 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/9ed689bb1af4481a8d5e09e39e78ac92 : SUCCESS in 2m 51s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b9dfa86099824aea8c7f5f04e9650d4d : FAILURE in 2m 26s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/b1f9d9588a0e49b89728af471017c5cf : SUCCESS in 3m 02s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/56c5ca95bf1e4bc1a0f392161f72fd9c : FAILURE in 2m 58s