def _spawn(args: List[str], process_context: ProcessContext) -> None:
    """
    Spawn a new process to run the given command.
    """
    if is_windows:
        _spawn_windows(args, process_context)
    else:
        _spawn_posix(args, process_context)

    Spawn a new process to run the given command.
    
httpie/internal/daemons.py