Problem with wxPython again

Hello everyone,
can somebody please tell me whats wrong. I get
this message whenever i try to run a script involving wxPython.

import wx
Traceback (most recent call last):
File “”, line 1, in ?
File “wx/init.py”, line 42, in ?
File “wx/_core.py”, line 4, in ?
ImportError: /usr/local/wx2.8/lib/libwx_gtk2u_core-2.5.so.4: undefined
symbol: pango_x_get_context

Thankyou for your patience.

Sriram