Build failed. https://zuul.opendev.org/t/openstack/buildset/5b4ee2e528a44693b61949c957e056c2 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/b50b46fa18b24fc09fd2a088e5170bf1 : SUCCESS in 4m 22s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/05fb48230c9049fbb4a81849f6ea100b : SUCCESS in 3m 25s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/1cf91a9ea37c44abbc59274453fc97d7 : FAILURE in 3m 29s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/6048506e06924dc8881028b889ce165d : FAILURE in 5m 00s