Build failed. https://zuul.opendev.org/t/openstack/buildset/843c559789a34d418fbd8b522a1058fc - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/fe63bc0a0f04492a9f5cd362e35e99db : SUCCESS in 2m 49s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/50b5f0dc45b4470b8427bc8dcf092872 : SUCCESS in 3m 42s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/273d2c89582c4d29adde4b756fb62d37 : SUCCESS in 3m 51s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/bd50181c77fa42ea84f18c130d06d3de : FAILURE in 3m 16s