class_docstr: Test accelerator
class_docstr_tok: ["Test","accelerator"]
code: def test_ops(self):
      op = ops.MyTorchOp()
      data = op(torch.tensor([1, 2, 3, 4]), torch.tensor([1, 2, 3, 4]))
      self.assertTrue(torch.equal(data, torch.tensor([2, 4, 6, 8])))
  
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 3 for calling the TestAccelerator obj's underlying member method code with example usage: obj.test_ops() without return types