How to use the yq.compat.USING_PYTHON2 function in yq

jq_filter_arg_loc = len(jq_args)
        if "--args" in jq_args:
            jq_filter_arg_loc = jq_args.index('--args') + 1
        elif "--jsonargs" in jq_args:
            jq_filter_arg_loc = jq_args.index('--jsonargs') + 1
        jq_args.insert(jq_filter_arg_loc, args.jq_filter)
    delattr(args, "jq_filter")
    in_place = args.in_place
    delattr(args, "in_place")

    if sys.stdin.isatty() and not args.input_streams:
        return parser.print_help()

    yq_args = dict(input_format=input_format, program_name=program_name, jq_args=jq_args, **vars(args))
    if in_place:
        if USING_PYTHON2:
            sys.exit("{}: -i/--in-place is not compatible with Python 2".format(program_name))
        if args.output_format not in {"yaml", "annotated_yaml"}:
            sys.exit("{}: -i/--in-place can only be used with -y/-Y".format(program_name))
        input_streams = yq_args.pop("input_streams")
        if len(input_streams) == 1 and input_streams[0].name == "":
            msg = "{}: -i/--in-place can only be used with filename arguments, not on standard input"
            sys.exit(msg.format(program_name))
        for i, input_stream in enumerate(input_streams):
            def exit_handler(arg=None):
                if arg:
                    sys.exit(arg)
            if i < len(input_streams):
                yq_args["exit_func"] = exit_handler
            yq(input_streams=[input_stream], output_stream=DeferredOutputStream(input_stream.name), **yq_args)
    else:
        yq(**yq_args)