!pip install konlpy

!pip install transformers

!pip3 install tensorflow_text>=2.0.0rc0

!python -c "from transformers import pipeline; print(pipeline('sentiment-analysis')('I hate you'))"

import pandas as pd

import numpy as np

import matplotlib.pyplot as plt

import re

import json

import os

import tqdm

from konlpy.tag import Okt

import sklearn

from sklearn.preprocessing import LabelEncoder

from sklearn.metrics import log_loss, accuracy_score,f1_score

import tensorflow as tf

from tensorflow.keras.preprocessing.sequence import pad_sequences

from tensorflow.keras.preprocessing.text import Tokenizer

from tensorflow.keras.callbacks import EarlyStopping, ModelCheckpoint

from transformers import *

---------------------------------------------------------------------------
ModuleNotFoundError                       Traceback (most recent call last)
<ipython-input-3-8f9ac06b3db7> in <module>()
     17 from tensorflow.keras.preprocessing.text import Tokenizer
     18 from tensorflow.keras.callbacks import EarlyStopping, ModelCheckpoint
---> 19 from transformers import *

5 frames

/usr/local/lib/python3.7/dist-packages/transformers/models/xlnet/tokenization_xlnet.py in <module>()
     21 from typing import Any, Dict, List, Optional, Tuple
     22 
---> 23 import sentencepiece as spm
     24 
     25 from ...file_utils import SPIECE_UNDERLINE

ModuleNotFoundError: No module named 'sentencepiece'

패키지 설치를 했지만 패키지 내의 존재하지 않는 모듈이 있다고 나옵니다. 이러는 원인도 모르겠고 해결 방법이 구글링해도 나오질 않습니다. 혹시 도움을 주실 수 있을까요?