Update utils.py

utils.py

@@ -52,6 +52,7 @@ import nltk
 from nltk.corpus import stopwords
 from nltk.tokenize import word_tokenize
 from nltk.stem import WordNetLemmatizer
+nltk.download('punkt')
 
 from sklearn.feature_extraction.text import TfidfVectorizer
 from sklearn.metrics.pairwise import cosine_similarity