htmlhelpcontroller on 2.4.2.4

Hi list,

We are stuck on 2.4.2.4 for the time being (Yes and I know it is old, and yes
I would like to migrate, but....). I am trying to use htmlhelpcontroller, but
I get the following error. (Note that wxHtmlHelpController is in
wxPython.htmlhelp and not wx.html like in 2.6.1.0)

Is this a 2.4.2.4 bug, and do I have to migrate to 2.6, or is it something
stupid I am doing?

wxpython helpcontroller
Traceback (most recent call last):
  File "ClientVolgsysteem.py", line 8, in ?
    import Hoofdframe
  File "/home/dick/CVix/CVix/src/Hoofdframe.py", line 16, in ?
    from wxPython.htmlhelp import *
  File "/usr/lib/python2.4/site-packages/wxPython/htmlhelp.py", line 2, in ?
    import htmlhelpc
ImportError: No module named htmlhelpc