Build failed. https://zuul.opendev.org/t/openstack/buildset/ff3796b577004c8dbf3f84a37bc89470 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/c0235891f7f44051b0db3598fef7e691 : SUCCESS in 4m 47s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/5d3645ec8cca4fd8ba27ad192c048f5b : FAILURE in 4m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/9c36032fe23d4585b560cc94ecccf5c0 : SUCCESS in 4m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/82eee2d8102445f2b00dac3bd257e087 : SUCCESS in 4m 43s