Build failed. https://zuul.opendev.org/t/openstack/buildset/742a89f182d24b56a8eba10b088c24a4 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/99f8c6509e1c4633a44ecb6c28f94475 : SUCCESS in 3m 35s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/261b6e9e0adc40efbe91fdd9e4259cc5 : SUCCESS in 3m 41s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/7c2056f2b61b41b3967c025edc6c5a8a : SUCCESS in 3m 28s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/c98cf046fd934795bc049f1935c2bccf : FAILURE in 3m 05s