Update app.py

app.py

@@ -5,6 +5,8 @@ from nltk.corpus import stopwords
 import string
 from sklearn.feature_extraction.text import  TfidfVectorizer
 from sklearn.naive_bayes import MultinomialNB
+nltk.download('punkt')
+nltk.download('stopwords')
 
 tfidf=pickle.load(open('tfidf.pkl','rb'))
 model=pickle.load(open('model.pkl','rb'))