Build failed. https://zuul.opendev.org/t/openstack/buildset/b2ab2fab3dd94168b7f1a5f1c4afa1b8 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/af82430f15f841af802aedd740098c65 : SUCCESS in 3m 11s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/b41c0eb757fe41dfae3d91f5c96a09ff : SUCCESS in 4m 06s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9308bdc870d44ce28c8e70b5eee6ac79 : SUCCESS in 4m 16s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/7ef824acd7c14833b4f7b2d0641bd81d : FAILURE in 3m 10s