ImportError: cannot import name 'FullTokenizer' about bert-for-tf2 HOT 2 CLOSED

from bert.tokenization import FullTokenizer

from bert import bert_tokenization

class MovieReviewData:
    DATA_COLUMN = "sentence"
    LABEL_COLUMN = "polarity"

    def __init__(self, tokenizer: FullTokenizer, sample_size=None, max_seq_len=1024):

class MovieReviewData:
    DATA_COLUMN = "sentence"
    LABEL_COLUMN = "polarity"

    def __init__(self, tokenizer: bert_tokenization.FullTokenizer, sample_size=None, max_seq_len=1024):