code: def test_type_error_gpu(self):
      self.check_invalid_type(cuda.to_gpu(self.x))
  
imports: import unittest
  import numpy
  from chainer.backends import cuda
  from chainer import functions
  from chainer import testing
  from chainer.testing import attr
  from chainer.utils import type_check
label_desc: Use image node_id 4 for calling the TestSqueezeValueError obj's underlying member method code with example usage: obj.test_type_error_gpu() without return types