code: def setUp(self):
      link1 = utils.ParametersLink.from_param_props(
          ((2, 3), (2, 0, 1), (0,))
      )
      link2 = utils.ParametersLink.from_param_props(
          ((5, 0, 1), (0,), (7, 3))
      )
      for param in link2.params():
          param.array[...] *= 0.0001
      self.target = chainer.ChainList(link1, link2)
  
file_path: chainer/tests/chainer_tests/optimizer_hooks_tests/test_gradient_lars.py
imports: import unittest
  import numpy
  import chainer
  from chainer import optimizer_hooks
  from chainer import optimizers
  from chainer import testing
  import utils
label_desc: Use image node_id 1 for calling the TestGradientLARS obj's underlying member method code with example usage: obj.setUp() without return types