code: def test_call_cpu(self):
      self.check_call()
  
file_path: chainercv/tests/links_tests/model_tests/deeplab_tests/test_xception.py
imports: import unittest
  import chainer
  from chainer import testing
  from chainer.testing import attr
  from chainercv.links.model.deeplab.xception import Xception65
label_desc: Use image node_id 3 for calling the TestXception obj's underlying member method code with example usage: obj.test_call_cpu() without return types