bittornado not working properly

[Marko Sučić <marko.sucic@hotmail.com>]

BitTorrent T-0.3.18 (BitTornado)
OS: linux2
Python version: 2.7.2+ (default, Nov 30 2011, 19:22:03) 
[GCC 4.6.2]
wx.Windows version: 2.8.12.1

Traceback (most recent call last):
  File "/usr/bin/btdownloadgui.bittornado", line 2312, in _next
    savedas = dow.saveAs(choosefile, d.newpath)
  File "/usr/lib/pymodules/python2.7/BitTornado/download_bt1.py", line
434, in saveAs
    n = path.join(n, i)
  File "/usr/lib/python2.7/posixpath.py", line 71, in join
    path += '/' + b
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc5 in position 37:
ordinal not in range(128)