Build failed. https://zuul.opendev.org/t/openstack/buildset/b110fb1b15014eda948657a1d4c73974 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/bbb18a440fdc4afa93a2a6881e80510f : SUCCESS in 6m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/940e3097296e40b5841812c74bbe1bd1 : SUCCESS in 4m 05s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/11f143fad5a24121b4393d0661337a3c : SUCCESS in 4m 12s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/84d4263e74364f8b8e5fd6e7bac7fa3d : FAILURE in 4m 12s