Update functions_preprocess.py

functions_preprocess.py

@@ -8,6 +8,7 @@ from sklearn.metrics import ConfusionMatrixDisplay
 from keras.preprocessing.text import Tokenizer
 import nltk
 nltk.download('stopwords')
+nltk.download('punkt')
 from nltk.corpus import stopwords
 from nltk.stem import WordNetLemmatizer
 from nltk.tokenize import word_tokenize