def setBounds (self):
        ylist = []
        for group in self.data:
            points = group.getElementByClassName ('point-group')
            for child in points:
                ylist.append (child.y)
        self.minX = 0
        self.maxX = 1 - self.seriesLength
        self.minY = min (ylist)
        self.maxY = max (ylist)
dataset/ETHPy150Open dotskapes/dotSkapes/modules/savage/graph/canvas.py/LineCanvas.setBounds/swapped operands of `-`