code: def test_num_arguments(self):
      # number of arguments arguments
      with self.assertRaises(TypeError):
          fft_frequencies()
      with self.assertRaises(TypeError):
          fft_frequencies(1)
      with self.assertRaises(TypeError):
          fft_frequencies(1, 2, 3)
  
imports: from __future__ import absolute_import, division, print_function
  import sys
  import unittest
  from os.path import join
  from madmom.audio.spectrogram import Spectrogram
  from madmom.audio.stft import *
  from .None import AUDIO_PATH
label_desc: Use image node_id 1 for calling the TestBinFrequenciesFunction obj's underlying member method code with example usage: obj.test_num_arguments() without return types