def addColor (self):
        for group in self.data:
            try:
                color = self.colors[group.id]
            except __HOLE__:
                color = 'black'
            for child in group.getElementByClassName ('point-group'):
                child.style.fill = color
            group.getElementByName ('path').style.strokeColor = color
dataset/ETHPy150Open dotskapes/dotSkapes/modules/savage/graph/canvas.py/LineCanvas.addColor