ImportError

After installing python2.4 and wxPython2.6 I get the following error when attempting to launch the demo.

[6]% python /usr/src/python/wxPython-2.6/wxPython/demo/demo.py
Traceback (most recent call last):
  File "/usr/src/python/wxPython-2.6/wxPython/demo/demo.py", line 3, in ?
    import Main
  File "/usr/share/src/python/wxPython-2.6/wxPython/demo/Main.py", line 32, in ?
    import wx # This module uses the new wx namespace
  File "/usr/local/lib/python2.4/site-packages/wx-2.6-gtk2-unicode/wx/__init__.py", line 42, in ?
    from wx._core import *
  File "/usr/local/lib/python2.4/site-packages/wx-2.6-gtk2-unicode/wx/_core.py", line 4, in ?
    import _core_
ImportError: ld.so.1: python: fatal: relocation error: file /opt/wxPython/2.6/lib/libwx_gtk2ud_core-2.6.so.0.0.0: symbol _ZNSt15basic_streambufIcSt11char_traitsIcEE7seekoffElSt12_Ios_SeekdirSt13_Ios_Openmode: referenced symbol not found
[7]%

I'm new to python and wxPython and need a little help!

Graeme