def DeleteItem(self, item):
wx_data = self.GetItemData(item)<EOL>py_data = self._py_data_map[wx_data]<EOL>del self._py_data_map[wx_data]<EOL>del self._wx_data_map[py_data]<EOL>wx.ListCtrl.DeleteItem(self, item)<EOL>
Remove the item from the list and unset the related data