code: def testRegressionDegara(self):
      audio = MonoLoader(
          filename=join(
              testdata.audio_dir, "recorded", "techno_loop.wav"
          )
      )()
      bpm = RhythmExtractor2013(method="degara")(audio)[0]
      self.assertAlmostEqualFixedPrecision(bpm, 124, 0)
  
imports: from essentia_test import *
  from essentia.standard import MonoLoader, RhythmExtractor2013
  from math import fabs
  from math import floor
label_desc: Use image node_id 1 for calling the TestRhythmExtractor2013 obj's underlying member method code with example usage: obj.testRegressionDegara() without return types