Segmenation fault when exiting app

I do have some similar issue with my own software ( QME-DEV based on wxPython) but only on Mandriva Linux. On Mac and Win no problem. WHich is rather strange. Here is a traceback from Mandriva… I am still trying to undersand what is the problem…I am not sure it helps but…
On Mandriva for soem reason the error message is in French 'Erreur de Segmentation" but it s a Segmentation Fault … and App exiting.

Traceback (most recent call last):
File “qme_dev_workbench_beta27.py”, line 2783, in DLG_OPEN_FILE
self.QLoad(path, 666666)
File “qme_dev_workbench_beta27.py”, line 2796, in QLoad
qme_pickle = pickle.load(f) #we load an array of object - our
objects are
stored in ASCII to ensure portability…between systems
File “/usr/lib/python2.4/pickle.py”, line 1390, in load
return Unpickler(file).load()
File “/usr/lib/python2.4/pickle.py”, line 872, in
load
dispatchkey
File “/usr/lib/python2.4/pickle.py”, line 980, in load_string
raise ValueError, “insecure string pickle”
ValueError: insecure string pickle
Erreur de segmentation

···

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