def convert_to_ascii(string: str) -> str:
    """Given a string, omit any non-ascii characters.
    The knowledge graph only supports ascii.

    Args:
        string (str): the string to convert.

    Returns:
        str: the same string, without any non-ascii characters.
        "ñàlom" would be converted to "lom".
    """

    # Get rid of non-ascii characters.
    # KG only supports ascii characters.
    string_ascii: list = [i if ord(i) < 128 else '' for i in string]
    return ''.join(string_ascii)