Build failed. https://zuul.opendev.org/t/openstack/buildset/9f2896198a9a4f74a1da86a5d16173e7 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/7fde26931bae4235ac1d5029e2f947b6 : FAILURE in 3m 00s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/360b4087092e45dbb74db82c0d54e0e2 : SUCCESS in 2m 41s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/81b9e089aaea4ca3b64d9c6ba6e1722a : SUCCESS in 3m 35s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/beb600e66ed9468280afb986ff368d22 : SUCCESS in 3m 42s