code: def check_startupinfo(startupinfo) -> bool:  # noqa: N803
      return startupinfo is None
  
file_path: graphviz/tests/_common.py
imports: import contextlib
  import os
  import pathlib
  import platform
  import subprocess
label_desc: Use image node_id 2 for calling a global function with example usage: check_startupinfo(startupinfo) and returns: unknown