Crash on logging under Windows

[ghost]

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Application Name: dupeGuru Music Edition
Version: 6.0.0

Traceback (most recent call last):
File "C:\Python31\lib\site-packages\jobprogress-1.0.0-py3.1.egg\jobprogress\qt.py", line 37, in updateProgress
File "C:\Python31\lib\site-packages\jobprogress-1.0.0-py3.1.egg\jobprogress\performer.py", line 59, in reraise_if_error
File "C:\Python31\lib\site-packages\jobprogress-1.0.0-py3.1.egg\jobprogress\performer.py", line 43, in async_run
File "core\app.py", line 354, in do
File "core\scanner.py", line 96, in GetDupeGroups
File "core\scanner.py", line 70, in getmatches
File "core\scanner.py", line 66, in
File "core\scanner.py", line 66, in
File "core\fs.py", line 72, in getattr
File "C:\Python31\lib\logging__init.py", line 1465, in warning
File "C:\Python31\lib\logging__init_.py", line 1061, in warning
File "C:\Python31\lib\logging__init__.py", line 1167, in log
File "C:\Python31\lib\logging__init_.py", line 1177, in handle
File "C:\Python31\lib\logging__init__.py", line 1217, in callHandlers
File "C:\Python31\lib\logging__init__.py", line 675, in handle
File "C:\Python31\lib\logging__init__.py", line 854, in emit
File "C:\Python31\lib\logging__init__.py", line 798, in emit
File "C:\Python31\lib\logging__init__.py", line 727, in handleError
File "C:\Python31\lib\traceback.py", line 160, in print_exception
File "C:\Python31\lib\traceback.py", line 12, in _print
AttributeError: 'NoneType' object has no attribute 'write'
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[ghost]

(from [ff43c6d9feb3]) [#144 state:fixed] Fixed crash on error handling under windows when sys.stderr is None.
https://bitbucket.org/hsoft/dupeguru/changeset/ff43c6d9feb3/