code: def test_lazy_wait_and_result(self) -> None:
      class Model(torch.nn.Module):
          def __init__(self):
              super().__init__()
              self.async_compute = AsyncModule()
  
          def forward(self, x: torch.Tensor) -> torch.Tensor:
              async_fut = self.async_compute(x)
              y = x * 3 + 5
              numel = async_fut.numel()
              return numel + async_fut._result + y
  
      m = Model()
      ref_res = m(torch.ones(3, 4))
      self.assertTrue(torch.equal(ref_res, 29 * torch.ones(3, 4)))
  
      # ensure fx tracing works
      gm = torch.fx.symbolic_trace(m)
      traced_res = gm(torch.ones(3, 4))
      self.assertTrue(torch.equal(traced_res, ref_res))
  
imports: import unittest
  from typing import Dict
  import torch
  import torch.fx
  from torchrec.distributed.types import LazyAwaitable
label_desc: Use image node_id 5 for calling the TestLazyAwaitable obj's underlying member method code with example usage: obj.test_lazy_wait_and_result() and returns: unknown