code: def cast_fp32_tensor(self, tlist):
      return [ele.to(torch.float32) for ele in tlist]
  
imports: import random
  import time
  from collections import OrderedDict
  import numpy
  import torch
label_desc: Use image node_id 6 for calling the TestDecorator obj's underlying member method code with example usage: obj.cast_fp32_tensor(tlist) and returns: unknown