/usr/lib/python2.7/dist-packages/quisk/softrock/conf_rx_ensemble2.py is in quisk 3.6.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/quisk/softrock/../../../../../share/pyshared/quisk/softrock/conf_rx_ensemble2.py