code: def test_cupy():
      setup_cupy()
      print(cupy)
      for testcase in [
          cupy_simple,
          cupy_kernel_square_diff,
          cupy_kernel_mix_channels,
      ]:
          yield cupy_case, testcase
      yield from _cupy_flip_with_negative_strides_suite()
  
imports: import numpy
  import nvidia.dali.ops
  import nvidia.dali.types
  import os
  import random
  from functools import partial
  from nvidia.dali.pipeline import Pipeline
  from nvidia.dali import fn, pipeline_def
  from nvidia.dali.python_function_plugin import current_dali_stream
label_desc: Use image node_id 31 for calling a global function with example usage: test_cupy() without return types