Unicode character in dir path cause UnicodeDecodeError: 'ascii' codec can't decode byte ...

[Jan M.]

If I have localized characters in path I'll not be able to download any subtitles. I'm on 64-bit 16.04.2 LTS (Xenial Xerus).

debug log:
----------
[20:20] DEBUG::subdownloader.gui.videotreeview # setVideos-> len(videoResults) = 8
[20:20] DEBUG::subdownloader.gui.main # Downloading to: '/home/dajohn/Sta\xc5\xbeen\xc3\xa9/Horace/1x2.cze.srt'
[20:20] DEBUG::subdownloader.gui.main # Trying to download subtitle '/home/dajohn/Stažené/Horace/1x2.cze.srt'
Traceback (most recent call last):
  File "/usr/share/pyshared/subdownloader/gui/main.py", line 1071, in onButtonDownload
    _("%s cannot be saved.\nCheck that the folder exists and you have write-access permissions.") %destinationPath ,
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc5 in position 16: ordinal not in range(128)

Package details:
----------------
Package: subdownloader
Priority: optional
Section: universe/utils
Installed-Size: 2797
Maintainer: Ubuntu Developers <email address hidden>
Original-Maintainer: Python Applications Packaging Team <email address hidden>
Architecture: all
Version: 2.0.18-2
Replaces: subdownloader-cli
Depends: python:any (<< 2.8), python:any (>= 2.7.5-5~), python (>= 2.6.6-3~), python-crypto, python-kaa-metadata
Recommends: python-qt4
Conflicts: subdownloader-cli
Filename: pool/universe/s/subdownloader/subdownloader_2.0.18-2_all.deb
Size: 646388
MD5sum: bdf050f0c9860befc49b0c204f82cd36
SHA1: ecfb5deb1fd12c7acb661b38a012dbddc9196477
SHA256: 79eba75a69acaf116127b92dcb9d5c45f39191e3a23ff8cf5f7674518a15b185
Description-en: subtitle download/upload manager for video files
 SubDownloader is a tool to automatically download/upload subtitles
 for video files (DIVX, MPEG, AVI, etc.) and DVDs using fast hashing.
 .
 Features:
   * Fast hashing algorithm (27 GB movies/7 seconds)
   * Recursively folders search
   * Autodetect language of the subtitles
   * Upload entire series seasons subtitles in less than 1 minute
 .
 This package contains the GUI front-end, common files and a cli interface.
Description-md5: 7a90c06d5c209816dff649752e1c0068
Homepage: http://www.subdownloader.net/
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubuntu

[Jan M. (czechdude)]

So long and no answer at all? Is this project dead? :(