defget_subprocess(target:"DecoratedCallableNone",args:Any)->"SpawnProcess":"""Spawn a subprocess."""stdin_fileno:Optional[int]try:stdin_fileno=sys.stdin.fileno()exceptOSError:stdin_fileno=Nonereturnspawn.Process(target=subprocess_started,args=args,kwargs={"t":target,"stdin_fileno":stdin_fileno},)