Traceback (most recent call last):
  File "/usr/bin/pygtk-demo", line 7, in ?
    execfile(os.path.join(pygtklibdir, "pygtk-demo.py"))
  File "/usr/lib/pygtk/2.0/pygtk-demo.py", line 19, in ?
    import gtk
  File "/usr/lib/python2.4/site-packages/gtk-2.0/gtk/__init__.py", line 48, in ?
    from gtk import _gtk
  File "/usr/lib/python2.4/site-packages/cairo/__init__.py", line 1, in ?
    from _cairo import *
ImportError: /usr/lib/python2.4/site-packages/cairo/_cairo.so: undefined symbol: PyUnicodeUCS4_AsUTF8String