Bug#368168: pitivi won't start (OverflowError: long too big to convert)

[vitko]

Package: pitivi
Version: 0.10.0-1

Pitivi doesn't run:

$ pitivi
/usr/lib/pitivi/python/pitivi/objectfactory.py:172: FutureWarning: x<<y losing 
bits or changing sign will return a long in Python 2.4 and up
   __gproperties__ = {
Traceback (most recent call last):
   File "/usr/bin/pitivi", line 86, in ?
     _run_pitivi()
   File "/usr/bin/pitivi", line 75, in _run_pitivi
     import pitivi.pitivi as pitivi
   File "/usr/lib/pitivi/python/pitivi/pitivi.py", line 31, in ?
     from ui import mainwindow
   File "/usr/lib/pitivi/python/pitivi/ui/mainwindow.py", line 34, in ?
     from timeline import TimelineWidget
   File "/usr/lib/pitivi/python/pitivi/ui/timeline.py", line 32, in ?
     from complextimeline import ComplexTimelineWidget
   File "/usr/lib/pitivi/python/pitivi/ui/complextimeline.py", line 32, in ?
     from layerwidgets import TopLayer, CompositionLayer
   File "/usr/lib/pitivi/python/pitivi/ui/layerwidgets.py", line 28, in ?
     from infolayer import InfoLayer
   File "/usr/lib/pitivi/python/pitivi/ui/infolayer.py", line 30, in ?
     from viewer import time_to_string
   File "/usr/lib/pitivi/python/pitivi/ui/viewer.py", line 33, in ?
     from pitivi.objectfactory import FileSourceFactory
   File "/usr/lib/pitivi/python/pitivi/objectfactory.py", line 167, in ?
     class FileSourceFactory(ObjectFactory):
OverflowError: long too big to convert (while registering property 'length' for 
GType 'pitivi+objectfactory+FileSourceFactory')

I'm running AMD64 Sid.

Packages versions:

$ dpkg -l | grep pitivi
ii  pitivi   0.10.0-1   non-linear audio/video editor using GStreamer

$ dpkg -l | grep python
ii  python              2.3.5-5             An interactive high-level 
object-oriented language (de
ii  python-beagle       0.2.4-1             python bindings for beagle
ii  python-glade2       2.8.2-3             GTK+ bindings: Glade support
ii  python-gmenu        2.14.0-1            an implementation of the freedesktop 
menu specificatio
ii  python-gnome2       2.12.3-2            Python bindings for the GNOME 
desktop environment
ii  python-gst0.10      0.10.2-1            generic media-playing framework 
(Python bindings)
ii  python-gtk2         2.8.2-3             Python bindings for the GTK+ widget set
ii  python-libxml2      2.6.24.dfsg-1       Python bindings for the GNOME XML 
library
ii  python-minimal      2.3.5-5             A minimal subset of the Python 
language (default versi
ii  python2.3           2.3.5-9.1           An interactive high-level 
object-oriented language (ve
ii  python2.3-cairo     1.0.2-1             Python 2.3 language bindings for the 
Cairo vector grap
ii  python2.3-glade2    2.8.2-3             GTK+ bindings: Glade support
ii  python2.3-gnome2    2.12.3-2            Python bindings for the GNOME 
desktop environment
ii  python2.3-gtk2      2.8.2-3             Python bindings for the GTK+ widget set
ii  python2.3-libxml2   2.6.24.dfsg-1       Python 2.3 bindings for the GNOME 
XML library
ii  python2.3-numeric   24.2-2              Numerical (matrix-oriented) 
Mathematics for Python
ii  python2.3-pyorbit   2.0.1-3             A Python language binding for the 
ORBit2 CORBA impleme
ii  python2.4           2.4.3-1             An interactive high-level 
object-oriented language (ve
ii  python2.4-cairo     1.0.2-1             Python 2.4 language bindings for the 
Cairo vector grap
ii  python2.4-dbus      0.61-5              simple interprocess messaging system 
(Python interface
ii  python2.4-glade2    2.8.2-3             GTK+ bindings: Glade support
ii  python2.4-gnome2    2.12.3-2            Python bindings for the GNOME 
desktop environment
ii  python2.4-gnome2-ex 2.12.1-2.1          Python bindings for the GNOME 
desktop environment
ii  python2.4-gtk2      2.8.2-3             Python bindings for the GTK+ widget set
ii  python2.4-imaging   1.1.5-4             Python Imaging Library
ii  python2.4-libxml2   2.6.24.dfsg-1       Python 2.4 bindings for the GNOME 
XML library
ii  python2.4-minimal   2.4.3-1             A minimal subset of the Python 
language (version 2.4)
ii  python2.4-numeric   24.2-2              Numerical (matrix-oriented) 
Mathematics for Python
ii  python2.4-pyorbit   2.0.1-3             A Python language binding for the 
ORBit2 CORBA impleme