apt-get install python-gobject python-gtk-1.2
Reading package lists... Done
Building dependency tree
Reading state information... Done
python-gobject is already the newest version.
The following packages were automatically installed and are no longer required:
  torcs-data libopenal0a torcs-data-tracks torcs-data-cars python2.5 libalut0
  libfluidsynth1 python2.5-minimal ladcca2 plib1.8.4c2 scummvm
Use 'apt-get autoremove' to remove them.
Suggested packages:
  python-gdk-imlib-1.2
The following NEW packages will be installed:
  python-gtk-1.2
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 0B/267kB of archives.
After unpacking 1192kB of additional disk space will be used.
ySelecting previously deselected package python-gtk-1.2.
(Reading database ... 132536 files and directories currently installed.)
Unpacking python-gtk-1.2 (from .../python-gtk-1.2_0.6.12-5_i386.deb) ...
Setting up python-gtk-1.2 (0.6.12-5) ...
Traceback (most recent call last):
  File "/usr/sbin/update-python-modules", line 279, in ?
    process(basedir,install_modules(py_installed))
  File "/usr/sbin/update-python-modules", line 150, in process
    func(basedir, dir, file)
  File "/usr/sbin/update-python-modules", line 117, in install_modules_func
    raise "Trying to overwrite %s which is already provided by %s"%(os.path.join(dir,file),otherdir)
Trying to overwrite pygtk.py which is already provided by /usr/share/python-support/python-gobject
dpkg: error processing python-gtk-1.2 (--configure):
 subprocess post-installation script returned error exit status 1
Errors were encountered while processing:
 python-gtk-1.2
E: Sub-process /usr/bin/dpkg returned an error code (1)