code: def get_hyperparam(self, name):
      return getattr(self.target.w.update_rule.hyperparam, name)
  
imports: import pickle
  import unittest
  import numpy
  import six
  import chainer
  from chainer import functions
  from chainer import optimizers
  from chainer import testing
label_desc: Use image node_id 3 for calling the TestOptimizerHyperparameter obj's underlying member method code with example usage: obj.get_hyperparam(name) and returns: getattr