def get_parent_child_name(name: str) -> _Tuple[str, str]:
    """
    Returns name of parent and child modules from a full module name.
    """
    split = name.rsplit(".", 1)
    if len(split) == 1:
        return "", split[0]
    else:
        return split[0], split[1]

    Returns name of parent and child modules from a full module name.
    
coremltools/optimize/torch/_utils/torch_utils.py