standard wxPython error

-bash-3.2$ python App1.py
Traceback (most recent call last):
  File "App1.py", line 4, in <module>
    import wx
  File "/usr/lib/python2.5/site-packages/wx-2.8-gtk2-unicode/wx/__init__.py", line 45, in <module>
    from wx._core import *
  File "/usr/lib/python2.5/site-packages/wx-2.8-gtk2-unicode/wx/_core.py", line 4, in <module>
    import _core_
ImportError: libwx_gtk2_aui-2.8.so.0: cannot open shared object file: No such file or directory