class_docstr: Model
class_docstr_tok: ["Model"]
code: def __call__(self, num):
      return self._x + num
  
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 2 for calling the Model obj's underlying member method code with example usage: obj.__call__(num) and returns: unknown