code: def test_forward_mixed_cpu_gpu_1(self):
      # self.link is not sent to gpu
      with self.assertRaises(TypeError):
          self.check_forward(cuda.to_gpu(self.x))
  
imports: import unittest
  import numpy
  import chainer
  from chainer.backends import cuda
  from chainer import gradient_check
  from chainer import links
  from chainer import testing
  from chainer.testing import attr
  from chainer.testing import condition
label_desc: Use image node_id 5 for calling the TestEmbedID obj's underlying member method code with example usage: obj.test_forward_mixed_cpu_gpu_1() without return types