def pack_to_tuple(obj):
    """
    Converts a given object to a tuple object

    If the object is a tuple, the function returns the input,
    otherwise creates a single dimensional tuple

    Parameters
    ----------
    obj : Object
        Object that is converted to a tuple

    Returns
    -------
    t : tuple
        Tuple that includes the original object
    """
    if isinstance(obj, tuple):
        return obj
    elif isinstance(obj, str):
        return (obj,)
    return (obj,)