code: def setUp(self):
      self.h = function_hooks.TimerHook()
      self.f = functions.math.exponential.Exp()
      self.f.add_hook(self.h)
      self.x = numpy.random.uniform(-0.1, 0.1, (3, 5)).astype(
          numpy.float32
      )
  
imports: import os
  import time
  import unittest
  import numpy
  import six
  import chainer
  from chainer.backends import cuda
  from chainer import function_hooks
  from chainer import functions
  from chainer.functions.math import basic_math
  from chainer import testing
  from chainer.testing import attr
label_desc: Use image node_id 1 for calling the TestTimerPrintReport obj's underlying member method code with example usage: obj.setUp() without return types