code: def testEmptyInput(self):
      model = join(testdata.models_dir, "tempocnn", "deeptemp_k16.pb")
  
      self.assertRaises(
          RuntimeError,
          lambda: TensorflowPredictTempoCNN(graphFilename=model)([]),
      )
  
file_path: essentia/test/src/unittests/machinelearning/test_tensorflowpredicttempocnn.py
imports: from essentia_test import *
label_desc: Use image node_id 4 for calling the TestTensorflowPredictTempoCNN obj's underlying member method code with example usage: obj.testEmptyInput() without return types