Bug#563900: pitivi: Doesn't start (ImportError: No module named instance)

[Jan Prunk]

Package: pitivi
Version: 0.13.3-2
Severity: important

$ /usr/bin/pitivi
Traceback (most recent call last):
  File "/usr/bin/pitivi", line 118, in <module>
    _run_pitivi()
  File "/usr/bin/pitivi", line 111, in _run_pitivi
    import pitivi.application as ptv
  File "/usr/lib/pitivi/python/pitivi/application.py", line 33, in <module>
    from pitivi.pitivigstutils import patch_gst_python
  File "/usr/lib/pitivi/python/pitivi/pitivi.py", line 28, in <module>
  File "/usr/lib/pitivi/python/pitivi/check.py", line 31, in <module>
    from pitivi.instance import PiTiVi
ImportError: No module named instance

I am using pitivi package from Debian squeeze.

Regards, 
Jan

-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.26-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages pitivi depends on:
ii  gnome-icon-theme            2.28.0-1     GNOME Desktop icon theme
ii  gstreamer0.10-gnonlin       0.10.13-1    non-linear editing module for GStr
ii  gstreamer0.10-plugins-base  0.10.25-7    GStreamer plugins from the "base" 
ii  gstreamer0.10-plugins-good  0.10.17-1    GStreamer plugins from the "good" 
ii  gstreamer0.10-x             0.10.25-7    GStreamer plugins for X11 and Pang
ii  libgstreamer-plugins-base0. 0.10.25-7    GStreamer libraries from the "base
ii  libgstreamer0.10-0          0.10.25-4+b1 Core GStreamer libraries and eleme
ii  python                      2.5.4-5      An interactive high-level object-o
ii  python-cairo                1.8.6-1      Python bindings for the Cairo vect
ii  python-central              0.6.14+nmu2  register and build utility for Pyt
ii  python-dbus                 0.83.0-1     simple interprocess messaging syst
ii  python-gconf                2.28.0-1     Python bindings for the GConf conf
ii  python-glade2               2.16.0-1     GTK+ bindings: Glade support
ii  python-gst0.10              0.10.17-1    generic media-playing framework (P
ii  python-gtk2                 2.16.0-1     Python bindings for the GTK+ widge
ii  python-pkg-resources        0.6.10-1     Package Discovery and Resource Acc
ii  python-pygoocanvas          0.10.0-2     GooCanvas Python bindings
ii  python-zope.interface       3.5.2-2      Zope 3 Interface Infrastructure

Versions of packages pitivi recommends:
ii  hal                           0.5.14-1   Hardware Abstraction Layer

pitivi suggests no packages.

-- no debconf information