code: def test_replaygain_disabled(self):
      original = load_signal(flac_file)
      signal = load_signal(rg_flac_file, replaygain_mode=None)
      self.assertEqual(signal.spl(), original.spl())
  
imports: from __future__ import absolute_import, division, print_function
  import io
  import unittest
  from os.path import join
  from madmom.io.audio import *
  from .None import AUDIO_PATH, DATA_PATH
label_desc: Use image node_id 10 for calling the TestLoadAudioFileFunction obj's underlying member method code with example usage: obj.test_replaygain_disabled() without return types