code: def init_sess(self):
      if self.sess is None:
          self.graph = tf.Graph()
  
          config = tf.ConfigProto()
          config.gpu_options.allow_growth = True
          self.sess = tf.InteractiveSession(
              config=config, graph=self.graph
          )
  
      elif self.sess._closed:
          self.graph = tf.Graph()
  
          config = tf.ConfigProto()
          config.gpu_options.allow_growth = True
          self.sess = tf.InteractiveSession(
              config=config, graph=self.graph
          )
  
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 5 for calling the TensorFlowModel obj's underlying member method code with example usage: obj.init_sess() without return types