code: def ZeroMelFrames(self):
      # non-zero number of input frames, but each mel-frame vector is empty
      bands = [
          zeros(1024),
          zeros(1024),
          zeros(1024),
          zeros(1024),
          zeros(1024),
          zeros(1024),
          zeros(1024),
          zeros(1024),
      ]
      rt = RhythmTransform()(bands)
      rt_list = rt.tolist()
      self.assertEqualVector(listZeros, rt_list)
  
file_path: essentia/test/src/unittests/rhythm/test_rhythmtransform.py
imports: from essentia_test import *
  import numpy
label_desc: Use image node_id 6 for calling the TestRhythmTransform obj's underlying member method code with example usage: obj.ZeroMelFrames() without return types