Hu, Zhaojie

I think we may also need a fundamental example to `python/nano/tutorial/inference/pytorch` to show the usage of `async_predict` on optimized pytorch model.

> > I think we may also need a fundamental example to `python/nano/tutorial/inference/pytorch` to show the usage of `async_predict` on optimized pytorch model. > > Yeah I think we do,...

Maybe we can reference this notebook to show the usage of async api when nano async api is introduced. https://github.com/openvinotoolkit/openvino_notebooks/blob/main/notebooks/115-async-api/115-async-api.ipynb

> @hjzin any comments about this PR? I will merge it today if you are ok with it. nothing to update, you can merge it.