def __init__(self, parent=None):
        QtGui.QGraphicsScene.__init__(self, parent)
        self.sceneBoundingRect = QtCore.QRectF()
        self.multiSelecting = False
QInteractiveGraphicsScene(parent: QWidget)
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/gui/graphics_view.py/QInteractiveGraphicsScene.__init__