code: def setUp(self):
      self.link = self.model_class(
          n_class=self.n_class, pretrained_model=None
      )
      self.link.pick = self.pick
  
file_path: chainercv/tests/links_tests/model_tests/senet_tests/test_se_resnet.py
imports: import unittest
  import numpy
  from chainer.testing import attr
  from chainer import Variable
  from chainercv.links import SEResNet101
  from chainercv.links import SEResNet152
  from chainercv.links import SEResNet50
  from chainercv.utils import testing
label_desc: Use image node_id 1 for calling the TestSEResNetCall obj's underlying member method code with example usage: obj.setUp() without return types