Use Union to support multiple types

    rend_config_path = TEST_VECTOR_DIR.joinpath(f"rend_config_combined.cfg")

    rend_config_path.with_stem(f"rend_config")

    aeid_path = Path(aeid)

    aeid_path.with_stem(aeid)

    run_renderer(

        record_property,

        test_info,

        get_mld=get_mld,

        mld_lim=get_mld_lim,

        config_file=rend_config_path,

        aeid=aeid_path,        

        aeid=aeid,        

    )

@pytest.mark.create_ref

import filecmp

import logging

import os

from pathlib import Path

import subprocess as sp

import sys

from typing import Dict, Optional

from typing import Dict, Optional, Union

import numpy as np

import pytest

    get_mld=False,

    mld_lim=0,

    get_mld_lim=0,

    aeid: Optional[str] = None,

    aeid: Optional[Union[Path, int]] = None,

) -> str:

    # prepare arguments and filepaths

    if trj_file is not None:

        framing_name = ""

    if aeid is not None:

        if isinstance(aeid, Path):

            aeid_name = f"_{aeid.stem}"

        else:

            aeid_name = aeid

    else:

        aeid_name = ""