code: def testEmpty(self):
      # Feeding an empty array shouldn't crash and throw an exception
      self.assertComputeFails(SpectralPeaks(), [])
  
file_path: essentia/test/src/unittests/spectral/test_spectralpeaks.py
imports: from essentia_test import *
label_desc: Use image node_id 4 for calling the TestSpectralPeaks obj's underlying member method code with example usage: obj.testEmpty() without return types