Steps to reproduce:
application have never start.

Stack trace:
Details: Here is a report from my terminal, error in python indentation (python 2.5)

be carefull using the tab key with python !!!!

daeavelwyn@core2duo:~$ soundconverter
SoundConverter 1.3.2
Traceback (most recent call last):

+ Trace 212468

daeavelwyn@core2duo:~$ sudo nano /var/lib/python-support/python2.5/pygtk.py
daeavelwyn@core2duo:~$ soundconverter
SoundConverter 1.3.2
Traceback (most recent call last):
 File "/usr/bin/soundconverter", line 43, in <module>
   import pygtk
 File "/var/lib/python-support/python2.5/pygtk.py", line 60
   if not versions.has_key(filename[-3:]):
                                         ^
TabError: inconsistent use of tabs and spaces in indentation
daeavelwyn@core2duo:~$ sudo nano /var/lib/python-support/python2.5/pygtk.py
daeavelwyn@core2duo:~$ soundconverter
SoundConverter 1.3.2
Traceback (most recent call last):
 File "/usr/bin/soundconverter", line 43, in <module>
   import pygtk
 File "/var/lib/python-support/python2.5/pygtk.py", line 60
   if not versions.has_key(filename[-3:]):
                                         ^
TabError: inconsistent use of tabs and spaces in indentation
daeavelwyn@core2duo:~$ sudo nano /var/lib/python-support/python2.5/pygtk.py
daeavelwyn@core2duo:~$ soundconverter
SoundConverter 1.3.2
 using Gstreamer version: 0.10.21, Python binding version: 0.10.13
 using gio
 'faac' element not found, disabling AAC.
 using 2 thread(s)
Queue done in 0s
Queue done in 0s
Queue done in 6s
daeavelwyn@core2duo:~$


Other information:
I've just correct the pygtk script removing wrong space/tab and using only space.