Build failed. https://zuul.opendev.org/t/openstack/buildset/1b4b5171b84547b594d0f59753a43105 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/967de35d689149eb9be7a0e418aeef74 : SUCCESS in 4m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/64a0d6d5a1324783a5728e0b908fb0b5 : SUCCESS in 4m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/a7f46cd4c02f4120aa7167d9106dc814 : SUCCESS in 5m 10s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/143e00339eef469aa650ea09b8d46367 : FAILURE in 4m 40s