Build failed. https://zuul.opendev.org/t/openstack/buildset/37b00a69e28140e79f0fd9d7b2535e1b - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/a2992204db324c8e8763ac8f9d170451 : SUCCESS in 3m 43s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/f0c8bc9cbfda49d5890d648455ab5c42 : FAILURE in 5m 24s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/2be061bb0eed424ea3e96e597f5dfa48 : SUCCESS in 3m 36s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/0763caf2bf454fb7ab1172e6e56e7cbe : FAILURE in 3m 44s