Comment 1 for bug 1851668

After commenting that out, the same problem appears in commandline.py:

  File "/usr/local/lib/python2.7/dist-packages/duplicity/commandline.py", line 1003, in usage
    """ % dict
 UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 2: ordinal not in range(128)