TypeError: cannot create weak reference to 'builtin_function_or_method' object

[huber]

i get this error while in xml.parsers.expat , 
the same programm worked fine with python 2.1 


Python 2.2.2 (#1, Oct 17 2002, 11:10:47) 
[GCC 2.95.3 20010315 (SuSE)] on linux2

>>> xml.parsers.expat.__file__
'/usr/local/lib/python2.2/site-packages/_xmlplus/parsers/expat.pyc'
>>> xml.parsers.pyexpat.__file__
'/usr/local/lib/python2.2/site-packages/_xmlplus/parsers/pyexpat.so'
>>> xml.parsers.expat.version_info
(1, 95, 5)
>>> xml.parsers.expat.pyxml_expat_version
'$Revision: 1.68 $'

other products used in this program :
'PYQT_VERSION': '3.4'
'PYQT_BUILD':59
'QT_VERSION':303


anybody knows where to start finding the error ?

thanks udo