wxColumnSorterMixin, XRC and subclass trouble

class EListCtrl(wxListCtrl, wxColumnSorterMixin):
  def __init__(self):
    value = wxPreListCtrl()
    self.this = value.this
    self.itemDataMap = {}
    wxColumnSorterMixin.__init__(self)

  def GetListCtrl(self): return self

I just had to add self._setOORInfo(self) after self.this = value.this
line!

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WBR, sector119