PySide bug?

pyside_bug.py

#Traceback (most recent call last):
#  File "example.py", line 57, in <module>
#    root.appendRow(list(p))
#TypeError: 'PySide.QtGui.QStandardItem.appendRow' called with wrong argument types:
#  PySide.QtGui.QStandardItem.appendRow(list)
#Supported signatures:
#  PySide.QtGui.QStandardItem.appendRow(PySide.QtGui.QStandardItem)
#  PySide.QtGui.QStandardItem.appendRow(list)
if __name__ == '__main__':
    app = QApplication(sys.argv)

    properties = ['Intensity', 'Brightness', 'Name']
    params = [10, 70.1, 'Charles']

    pairs = zip(properties, params)

    model = QStandardItemModel(4,2)
    view = QTreeView()
    view.setModel(model)
    root = model.invisibleRootItem()

    for p in pairs:
        root.appendRow(list(p))

    view.show()

    app.exec_()