code: def testEmpty(self):
      self.assertComputeFails(Chromaprinter(), [])
  
file_path: essentia/test/src/unittests/highlevel/test_chromaprinter.py
imports: from essentia_test import *
  import essentia.streaming
label_desc: Use image node_id 1 for calling the TestChromaprinter obj's underlying member method code with example usage: obj.testEmpty() without return types