PyQt Trouble with Python-modules

Hello,
I am using SALOME-3.2.2 on Mandriva 2006. Except gcc and python (using native), all procducts were installed from SALOME binaries.  I have some trouble when using python-modules. For exemple, i had compiled the PyHello module without any compilation or link problem, but when  i tryed to loadi the module from the SALOME GUI,  i  had the following  error message on the console. (the message is repeted many times)

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Traceback (most recent call last):
  File "/home/kamel/salome_3.2.2/KERNEL_3.2.2/lib/python2.4/site-packages/salome/import_hook.py", line 139, in import_hook
    module= original_import(name, globals, locals, fromlist)
  File "/home/kamel/salome_3.2.2/PYHELLO_3.2.2/bin/salome/PYHELLOGUI.py", line 19, in ?
    from qt import *
  File "/home/kamel/salome_3.2.2/KERNEL_3.2.2/lib/python2.4/site-packages/salome/import_hook.py", line 139, in import_hook
    module= original_import(name, globals, locals, fromlist)
ImportError: /home/kamel/salome_3.2.2/PyQt-3.14.1/qt.so: undefined symbol: _ZN12QProgressBarD2Ev
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Thanks in advance for your help.
Kamel