fix for not finding trajectories due to 20ms alignment of signals

        cfg.metadata_path = metadata

        # check for head tracking trajectories

        trajectories = check_trajectories(cfg.items_list)

        # check for head tracking trajectories in input path (items might be copied to 20ms aligned folder)

        trajectories = check_trajectories(cfg.items_list, cfg.input_path)

        if trajectories:

            cfg.trajectories = trajectories

            # print info about found and used trajectories

def trajectory_search(

    item_name: Union[str, Path],

    item_name: Path,

    search_folder: Path,

) -> Tuple:

    """Search for head tracking trajectories with item_name.wav.{pre,post}.csv"""

    if not item_name:

        raise ValueError("No item name provided, can't search for trajectories")

    if search_folder is not None:

        item_name = search_folder.joinpath(item_name.name)

    trj_file_pre = item_name.with_stem(f"{item_name.name}.pre").with_suffix(".csv")

    trj_file_post = item_name.with_stem(f"{item_name.name}.post").with_suffix(".csv")

    return pre_trj, post_trj

def check_trajectories(item_names: list) -> list[Tuple]:

def check_trajectories(item_names: list, search_folder: Path) -> list[Tuple]:

    """Find head tracking trajectories"""

    list_trj = []

    for item in item_names:

        list_trj.append(trajectory_search(item))

    list_trj = [trajectory_search(Path(i), search_folder) for i in item_names]

    return list_trj