code: def layers_count(self):
      return len(self.target_layer)
  
file_path: auptimizer/src/aup/compression/torch/utils/sensitivity_analysis.py
imports: import copy
  import csv
  import logging
  from collections import OrderedDict
  import numpy
  import torch.nn
label_desc: Use image node_id 2 for calling the SensitivityAnalysis obj's underlying member method code with example usage: obj.layers_count() and returns: len