code: def do_nothing(*args: tp.Any, **kwargs: tp.Any) -> int:
      print("my args", args, flush=True)
      print("my kwargs", kwargs, flush=True)
      if "sleep" in kwargs:
          print("Waiting", flush=True)
          time.sleep(int(kwargs["sleep"]))
      if kwargs.get("error", False):
          print("Raising", flush=True)
          raise ValueError("Too bad")
      print("Finishing", flush=True)
      return 12
  
imports: import contextlib
  import pickle
  import subprocess
  import sys
  import time
  import typing
  from pathlib import Path
  from unittest.mock import patch
  import pytest
  from .None import core, submission, utils
label_desc: Use image node_id 2 for calling a global function with example usage: do_nothing() and returns: int