code: def setUp(self):
      proposal_creator_params = {
          "n_train_post_nms": self.n_train_post_nms,
          "n_test_post_nms": self.n_test_post_nms,
      }
      self.link = LightHeadRCNNResNet101(
          self.n_fg_class,
          pretrained_model=None,
          proposal_creator_params=proposal_creator_params,
      )
  
      chainer.config.train = self.train
  
imports: import numpy
  import unittest
  import chainer
  from chainer.backends import cuda
  from chainer import testing
  from chainer.testing import attr
  from chainercv.links import LightHeadRCNNResNet101
  from chainercv.links.model.light_head_rcnn import LightHeadRCNNTrainChain
  from chainercv.utils import generate_random_bbox
label_desc: Use image node_id 1 for calling the TestLightHeadRCNNResNet101 obj's underlying member method code with example usage: obj.setUp() without return types