def func_split_token(str_token):
    """
    Splits a VCF info token while guarenteeing 2 tokens
    * str_token : String token to split at '='
                : String
    * return : List of 2 strings
    """
    if str_token:
        lstr_pieces = str_token.split("=")
        i_pieces = len(lstr_pieces)
        if i_pieces == 1:
            return(lstr_pieces + [""])
        if i_pieces == 2:
            return lstr_pieces
        elif i_pieces > 2:
            return [lstr_pieces[0], "=".join(lstr_pieces[1:])]
    return ["", ""]