code: def testRegressionFrozenModel(self):
      parameters = {
          "graphFilename": join(testdata.models_dir, "vgg", "vgg4.pb"),
          "inputs": ["model/Placeholder"],
          "outputs": ["model/Softmax"],
          "isTraining": False,
          "isTrainingName": "model/Placeholder_1",
      }
  
      self.regression(parameters)
  
file_path: essentia/test/src/unittests/machinelearning/test_tensorflowpredict.py
imports: from essentia_test import *
  import sys
  import os
label_desc: Use image node_id 2 for calling the TestTensorFlowPredict obj's underlying member method code with example usage: obj.testRegressionFrozenModel() without return types