code: def testEmpty(self):
      # empty (0,2) array
      audio = essentia.array([[1.0, 1.0]])[:-1]
      self.assertComputeFails(LoudnessEBUR128(), audio)
  
imports: from essentia_test import *
label_desc: Use image node_id 3 for calling the TestLoudnessEBUR128 obj's underlying member method code with example usage: obj.testEmpty() without return types