How to use the mpld3.utils.get_id function in mpld3

def __init__(self, points, labels, button=True, enabled=True):
        self.labels = labels
        if isinstance(points, matplotlib.lines.Line2D):
            suffix = "pts"
        else:
            suffix = None
        self.dict_ = {"type": "linkedbrushsave",
                      "button": button,
                      "labels": labels,
                      "enabled": False,
                      "id": mpld3.utils.get_id(points, suffix)}                  

def __init__(self, points, line):
        if isinstance(points, mpl.lines.Line2D):
            suffix = "pts"
        else:
            suffix = None

        self.dict_ = {"type": "drag",
                      "idpts": utils.get_id(points, suffix),
                      "idline": utils.get_id(line),
                      }

def __init__(self, points, line, linedata):
        if isinstance(points, matplotlib.lines.Line2D):
            suffix = "pts"
        else:
            suffix = None

        self.dict_ = {"type": "linkedview",
                      "idpts": utils.get_id(points, suffix),
                      "idline": utils.get_id(line),
                      "data": linedata}
class ClickInfo(plugins.PluginBase):