code: def model_summary(self):
      for layer in tf.trainable_variables():
          print(layer)
  
imports: import os
  import glob
  import tensorflow
  import numpy
  from shutil import rmtree
  from tqdm import tqdm
  from deepneuro.models.model import DeepNeuroModel
  from deepneuro.utilities.util import add_parameter
label_desc: Use image node_id 8 for calling the TensorFlowModel obj's underlying member method code with example usage: obj.model_summary() without return types