Build failed. https://zuul.opendev.org/t/openstack/buildset/7d9585cc372344d994057a3bc1847a31 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/cfacff96821042c899a6a30369c43343 : FAILURE in 7m 20s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/507610659a9e4f19a7a532a8fef4390c : SUCCESS in 8m 04s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/442002807ba54047b88e694dda9bfc54 : SUCCESS in 8m 37s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/33e6ef867aca465e8f0bcce2182a0b98 : SUCCESS in 10m 34s