code: def testTwo(self):
      self.assertEqual(
          OddToEvenHarmonicEnergyRatio()([1, 1], [1, 1]), 1
      )
  
file_path: essentia/test/src/unittests/tonal/test_oddtoevenharmonicenergyratio.py
imports: from essentia_test import *
label_desc: Use image node_id 4 for calling the TestOddToEvenHarmonicEnergyRatio obj's underlying member method code with example usage: obj.testTwo() without return types