code: def saveCupy(self, saveFileName):
      cupy.save(saveFileName, self.CUPYcorpus)
  
imports: import numpy
  import cupy
  import torch
  import os
  from torch.utils.dlpack import to_dlpack
  from torch.utils.dlpack import from_dlpack
label_desc: Use image node_id 2 for calling the _Common obj's underlying member method code with example usage: obj.saveCupy(saveFileName) without return types