code: def set_line_color(self, color):
      print(f"Changing line color to {color}")
      self.line.set_data(color=color)
  
imports: import time
  from math import sin, pi
  import numpy
  from PyQt5 import QtWidgets, QtCore
  from vispy.scene import SceneCanvas, visuals
  from vispy.app import use_app
label_desc: Use image node_id 3 for calling the CanvasWrapper obj's underlying member method code with example usage: obj.set_line_color(color) without return types