code: def onClick(self, event):
      self.pause = True
  
file_path: audio-spectrum-analyzer/audio_spectrum.py
imports: import matplotlib.pyplot
  import numpy
  import pyaudio
  from pyqtgraph.Qt import QtGui, QtCore
  import pyqtgraph
  import struct
  from scipy.fftpack import fft
  import sys
  import time
label_desc: Use image node_id 5 for calling the AudioStream obj's underlying member method code with example usage: obj.onClick(event) without return types