docstr: mimic the tensor behavior
          
docstr_tok: ["mimic","the","tensor","behavior"]
code: def cuda(self, device: str = "cuda:0"):
      r"""mimic the tensor behavior"""
      return self.to(device)
  
imports: import copy
  import json
  import pickle
  from typing import *
  import paddle
label_desc: Use image node_id 9 for calling the InputFeatures obj's underlying member method code with example usage: obj.cuda(device) and returns: self