@M.V Bıçakçı
i used your patch and it broke my update manager, synaptic and gdebi installer. i used force install since it is an i386 package and i am using 64 bit os. now can you tell me how to revert the changes back. if i type update manager in terminal i get this output:
~~
  Traceback (most recent call last):
  File "/usr/bin/update-manager", line 33, in <module>
    from UpdateManager.UpdateManager import UpdateManager
  File "/usr/lib/python2.5/site-packages/UpdateManager/UpdateManager.py", line 38, in <module>
    import apt
  File "/usr/lib/python2.5/site-packages/apt/__init__.py", line 2, in <module>
    import apt_pkg
ImportError: libapt-pkg-libc6.8-6.so.4.6: cannot open shared object file: No such file or directory
Error in sys.excepthook:
Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/apport_python_hook.py", line 38, in apport_excepthook
    from apport.packaging_impl import impl as packaging
  File "/usr/lib/python2.5/site-packages/apport/__init__.py", line 1, in <module>
    from apport.report import Report
  File "/usr/lib/python2.5/site-packages/apport/report.py", line 21, in <module>
    import fileutils
  File "/usr/lib/python2.5/site-packages/apport/fileutils.py", line 16, in <module>
    from packaging_impl import impl as packaging
  File "/usr/lib/python2.5/site-packages/apport/packaging_impl.py", line 18, in <module>
    import apt
  File "/usr/lib/python2.5/site-packages/apt/__init__.py", line 2, in <module>
    import apt_pkg
ImportError: libapt-pkg-libc6.8-6.so.4.6: cannot open shared object file: No such file or directory

Original exception was:
Traceback (most recent call last):
  File "/usr/bin/update-manager", line 33, in <module>
    from UpdateManager.UpdateManager import UpdateManager
  File "/usr/lib/python2.5/site-packages/UpdateManager/UpdateManager.py", line 38, in <module>
    import apt
  File "/usr/lib/python2.5/site-packages/apt/__init__.py", line 2, in <module>
    import apt_pkg
ImportError: libapt-pkg-libc6.8-6.so.4.6: cannot open shared object file: No such file or directory

if i type synaptic:
~~synaptic: error while loading shared libraries: libapt-pkg-libc6.8-6.so.4.6: cannot open shared object file: No such file or directory

if i type gdebi:
~~Traceback (most recent call last):
  File "/usr/bin/gdebi", line 29, in <module>
    import apt
  File "/usr/lib/python2.5/site-packages/apt/__init__.py", line 2, in <module>
    import apt_pkg
ImportError: libapt-pkg-libc6.8-6.so.4.6: cannot open shared object file: No such file or directory
Error in sys.excepthook:
Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/apport_python_hook.py", line 38, in apport_excepthook
    from apport.packaging_impl import impl as packaging
  File "/usr/lib/python2.5/site-packages/apport/__init__.py", line 1, in <module>
    from apport.report import Report
  File "/usr/lib/python2.5/site-packages/apport/report.py", line 21, in <module>
    import fileutils
  File "/usr/lib/python2.5/site-packages/apport/fileutils.py", line 16, in <module>
    from packaging_impl import impl as packaging
  File "/usr/lib/python2.5/site-packages/apport/packaging_impl.py", line 18, in <module>
    import apt
  File "/usr/lib/python2.5/site-packages/apt/__init__.py", line 2, in <module>
    import apt_pkg
ImportError: libapt-pkg-libc6.8-6.so.4.6: cannot open shared object file: No such file or directory

Original exception was:
Traceback (most recent call last):
  File "/usr/bin/gdebi", line 29, in <module>
    import apt
  File "/usr/lib/python2.5/site-packages/apt/__init__.py", line 2, in <module>
    import apt_pkg
ImportError: libapt-pkg-libc6.8-6.so.4.6: cannot open shared object file: No such file or directory

Now how can i fix this?