listen crashes on startup: TypeError: could not convert type int to gchararray required for parameter 2

Binary package hint: listen

I am getting the following error when trying to start Listen:

% listen
** Message: pygobject_register_sinkfunc is deprecated (GstObject)
Traceback (most recent call last):
  File "listen", line 213, in <module>
    ListenApp()
  File "listen", line 110, in __init__
    config.load()
  File "/usr/lib/listen/config.py", line 57, in load
    self.update_config()
  File "/usr/lib/listen/config.py", line 63, in update_config
    self.set("setting","version",VERSION_CONFIG)
  File "/usr/lib/listen/config.py", line 81, in set
    self.emit("config-changed",section,option,value)
TypeError: could not convert type int to gchararray required for parameter 2

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: listen 0.6.5-5build1
ProcVersionSignature: Ubuntu 2.6.38-3.30-generic 2.6.38-rc4
Uname: Linux 2.6.38-3-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Fri Feb 18 19:13:52 2011
ProcEnviron:
 LANGUAGE=de_DE:de:en_US:en_GB:en
 PATH=(custom, user)
 LANG=de_DE.UTF-8
 SHELL=/bin/zsh
SourcePackage: listen