code: def test_shaped_initializer_gpu(self):
      self.check_shaped_initializer(cuda.cupy)
  
file_path: chainer/tests/chainer_tests/initializer_tests/test_sampling.py
imports: import unittest
  import numpy
  from chainer.backends import cuda
  from chainer import initializers
  from chainer import testing
  from chainer.testing import attr
label_desc: Use image node_id 6 for calling the TestUpsamplingDeconvFilter obj's underlying member method code with example usage: obj.test_shaped_initializer_gpu() without return types