Build failed. https://zuul.opendev.org/t/openstack/buildset/ef5cdaa31a494ef69a7cf0a80f1cf8cd - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/db487c08163b4c308d4623ed09ff0044 : SUCCESS in 3m 50s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/830c83dc8ee24226b90e9bf48f382915 : FAILURE in 20m 28s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ccc4615a390d477baffb63b1f2c88e44 : SUCCESS in 2m 58s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/8208890b841046a99786db0e9c359784 : FAILURE in 2m 45s