class_docstr: A simple plugin showing how multiple axes can be linked
code: 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,
      }
  
imports: import matplotlib
  import matplotlib.pyplot
  import numpy
  import mpld3
  from mpld3 import plugins, utils
label_desc: Use image node_id 1 to create a new LinkedView object from inherited base classes: plugins with example: obj = LinkedView(points, line, linedata)