code: def testRegression(self):
      filename = join(testdata.audio_dir, "recorded", "techno_loop.wav")
      audio = MonoLoader(
          filename=filename, downmix="left", sampleRate=44100
      )()
      self.assertAlmostEqualVector(
          DynamicComplexity()(audio),
          (5.865970134735107, -21.189722061157227),
          1e-1,
      )
  
file_path: essentia/test/src/unittests/highlevel/test_dynamiccomplexity.py
imports: from essentia_test import *
label_desc: Use image node_id 4 for calling the TestDynamicComplexity obj's underlying member method code with example usage: obj.testRegression() without return types