Sorry, my bad. You needed to be in the /usr/lib/python3.X/site-packages/ directory. This is not trying to execute duplicity, merely to import the installed duplicity/dup_main.py.
Sorry, my bad. You needed to be in the /usr/lib/ python3. X/site- packages/ directory. This is not trying to execute duplicity, merely to import the installed duplicity/ dup_main. py.