code: def testPrepareModelSettings(self):
      self.assertIsNotNone(
          models.prepare_model_settings(
              label_count=10,
              sample_rate=16000,
              clip_duration_ms=1000,
              window_size_ms=20,
              window_stride_ms=10,
              feature_bin_count=40,
              preprocess="mfcc",
          )
      )
  
file_path: tensorflow/tensorflow/examples/speech_commands/models_test.py
imports: import tensorflow
  from tensorflow.examples.speech_commands import models
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import test
label_desc: Use image node_id 2 for calling the ModelsTest obj's underlying member method code with example usage: obj.testPrepareModelSettings() without return types