def parse_gzip(file_path):
newDecoder = MMTFDecoder()<EOL>newDecoder.decode_data(_unpack(gzip.open(file_path, "<STR_LIT:rb>")))<EOL>return newDecoder<EOL>
Return a decoded API to the data from a file path. File is gzip compressed.
    :param file_path: the input file path. Data is gzip compressed.
    :return an API to decoded data