code: def bind_mouse_event(self):
      self.iren.SetInteractorStyle(MyEvent())
  
imports: import vtk
  import json
  import numpy
  import argparse
  import sys
  import subprocess
  from plyfile import PlyData
label_desc: Use image node_id 9 for calling the Render obj's underlying member method code with example usage: obj.bind_mouse_event() without return types