how to fix it?it confuse me few days

[franklee24]

Traceback (most recent call last): File "D:/desk/bert-master333/bert-master/run_classifier.py", line 1024, in tf.app.run() File "D:\anaconda\envs\tensorflow\lib\site-packages\tensorflow\python\platform\app.py", line 40, in run _run(main=main, argv=argv, flags_parser=_parse_flags_tolerate_undef) File "D:\anaconda\envs\tensorflow\lib\site-packages\absl\app.py", line 303, in run _run_main(main, args) File "D:\anaconda\envs\tensorflow\lib\site-packages\absl\app.py", line 251, in _run_main sys.exit(main(argv)) File "D:/desk/bert-master333/bert-master/run_classifier.py", line 885, in main train_examples = processor.get_train_examples(FLAGS.data_dir) File "D:/desk/bert-master333/bert-master/run_classifier.py", line 380, in get_train_examples self._read_tsv(os.path.join(data_dir, "train.csv")), "train") File "D:/desk/bert-master333/bert-master/run_classifier.py", line 410, in _create_examples label = tokenization.convert_to_unicode(line[1]) IndexError: list index out of range class limengnanProcessor(DataProcessor):

def get_train_examples(self, data_dir):
    return self._create_examples(
        self._read_tsv(os.path.join(data_dir, "train.csv")), "train")

def get_dev_examples(self, data_dir):
    return self._create_examples(
        self._read_tsv(os.path.join(data_dir, "dev.csv")), "dev")

def get_test_examples(self, data_dir):
    return self._create_examples(
        self._read_tsv(os.path.join(data_dir, "test.csv")), "test")

def get_labels(self):
    return ['0','1']

def _read_tsv(cls, input_file, quotechar=None):
    with tf.gfile.Open(input_file, "r") as f:
        reader = csv.reader(f, delimiter="&", quotechar=quotechar)
        lines = []
        for line in reader:
            lines.append(line)
        return lines

def _create_examples(self, lines, set_type):
    examples = []
    for (i, line) in enumerate(lines):
        guid = "%s-%s" % (set_type, i)
        if set_type == "test":
            text_a = tokenization.convert_to_unicode(line[0])
            label = "0"
        else:
            text_a = tokenization.convert_to_unicode(line[0])
            label = tokenization.convert_to_unicode(line[1])
        if label not in ['0','1']:
            continue

        examples.append(
            InputExample(guid=guid, text_a=text_a, text_b=None, label=label))
    return examples``