[PyKDE] subclassing QAbstractListModel

[Tom Brown]

I am subclassing QAbstractListModel and getting an error in __init__(). Here 
is the code where I receive the error:

class StringsModel(QAbstractListModel):
  def __init__(self, strings, parent=None):
    QAbstractListModel.__init__(parent)
    self.strings = strings

When I run my application, this is the error I get:

  File "/home/tbrown/projects/programUboot195/stringsmodel.py", line 5, in 
__init__
    QAbstractListModel.__init__(parent)
TypeError: descriptor '__init__' requires a 'sip.wrapper' object but received 
a 'NoneType'

I've subclassed QAbstractItemModel to create a tree model and did not get the 
error above. The development of the StringModel and tree model were on 
different machines. I believe the sip versions are different as well as the 
PyQt4 snapshot. The versions I am using for the StringModel are:

sip: 4.4.3
PyQt4: PyQt4-gpl-snapshot-20060424

I did not see anything in the PyQt4 changelog that addressed this issue 
specifically. So, what am I missing?

Thanks,
Tom