qbzr crash at startup

System: Fedora7
PyQt4: 4.3.3-1.fc7
Qt4: 4.2.3-8.fc7
qbzr: 0.9.3

crash message:
"
bzr: ERROR: exceptions.ImportError: /usr/lib/python2.5/site-packages/PyQt4/QtGui.so: undefined symbol: _ZN11QWizardPage11qt_metacastEPKc

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 834, in run_bzr_catch_errors
    return run_bzr(argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 790, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 492, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/home/wartanowiczd/.bazaar/plugins/qbzr/__init__.py", line 115, in run
    return unbound(self, *args, **kwargs)
  File "/home/wartanowiczd/.bazaar/plugins/qbzr/__init__.py", line 486, in run
    app = QtGui.QApplication(sys.argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/lazy_import.py", line 106, in __getattribute__
    obj = _replace()
  File "/usr/lib/python2.5/site-packages/bzrlib/lazy_import.py", line 89, in _replace
    obj = factory(self, scope, name)
  File "/usr/lib/python2.5/site-packages/bzrlib/lazy_import.py", line 193, in _import
    module = __import__(module_python_path, scope, scope, [member])
ImportError: /usr/lib/python2.5/site-packages/PyQt4/QtGui.so: undefined symbol: _ZN11QWizardPage11qt_metacastEPKc

bzr 1.3.1 on python 2.5.0.final.0 (linux2)
arguments: ['/usr/bin/bzr', 'qbzr']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'en_US.UTF-8'
plugins:
  gtk /usr/lib/python2.5/site-packages/bzrlib/plugins/gtk [0.94.0]
  launchpad /usr/lib/python2.5/site-packages/bzrlib/plugins/launchpad [unknown]
  qbzr /home/wartanowiczd/.bazaar/plugins/qbzr [0.9.3]
*** Bazaar has encountered an internal error.
    Please report a bug at https://bugs.launchpad.net/bzr/+filebug
    including this traceback, and a description of what you
    were doing when the error occurred.
"
results of command 'c++filt _ZN11QWizardPage11qt_metacastEPKc'
QWizardPage::qt_metacast(char const*)

results of command 'set | grep -i qt':
PATH=/usr/local/gcc402/bin:/usr/lib/qt-3.3/bin:/usr/lib/qt4/bin
QTDIR=/usr/lib/qt4
QTINC=/usr/include/Qt
QTLIB=/usr/lib

Do you have any idea what's wrong?