Build failed. https://zuul.opendev.org/t/openstack/buildset/937ab17890304fb783ca27ca459256ae - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/82714306ecff4d61a2e73b28bde3eaaf : SUCCESS in 3m 13s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/eafd95f48f974278991bbbb4d4d63c48 : SUCCESS in 3m 02s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/93143cd3607b45a78723b3f2e0669e93 : SUCCESS in 4m 32s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/4aba99f1bf2a49efb9104abd82ea9877 : FAILURE in 2m 44s