class_docstr: Torch model.
class_docstr_tok: ["Torch","model","."]
code: def __call__(self, x, y):
      return x + y
  
imports: import unittest
  import torch
  import towhee
  from towhee import ops, register, accelerate
  from towhee.serve.triton.bls.python_backend_wrapper import pb_utils
label_desc: Use image node_id 1 for calling the TorchModel obj's underlying member method code with example usage: obj.__call__(x, y) and returns: unknown