code: def preprocess(self, data):
      instances = data[0]["body"]["instances"]
      input_tensor = torch.as_tensor(instances, dtype=torch.float32)
      return input_tensor
  
file_path: serve/test/pytest/test_data/torch_compile/compile_handler.py
imports: import torch
  from ts.torch_handler.base_handler import BaseHandler
label_desc: Use image node_id 3 for calling the CompileHandler obj's underlying member method code with example usage: obj.preprocess(data) and returns: input_tensor