code: def _get_device_cupy_or_numpy(device_spec):
      # legacy spec of (gpu) device
      if device_spec >= 0:
          return cuda.GpuDevice.from_device_id(device_spec)
      else:
          return _cpu.CpuDevice()
  
imports: import numpy
  import six
  import chainer
  from chainer.backends import _chainerx
  from chainer.backends import _cpu
  from chainer.backends import cuda
  from chainer.backends import intel64
  import chainerx
  from chainer._backend import Device
  from chainer.backends._chainerx import ChainerxDevice
  from chainer.backends._chainerx import from_chx
  from chainer.backends._chainerx import to_chx
  from chainer.backends._cpu import CpuDevice
  from chainer.backends.cuda import GpuDevice
  from chainer.backends.intel64 import Intel64Device
  from chainer import types
label_desc: Use image node_id 5 for calling a global function with example usage: _get_device_cupy_or_numpy(device_spec) and returns: cuda, _cpu