Update app.py

app.py

@@ -1,4 +1,5 @@
 import nltk
+nltk.download('punkt')
 from nltk.stem.lancaster import LancasterStemmer
 import numpy as np
 import tflearn
@@ -7,6 +8,7 @@ import random
 import json
 import pickle
 import gradio as gr
+from nltk.tokenize import word_tokenize
 
 # Ensure necessary NLTK resources are downloaded
 try:
@@ -48,7 +50,7 @@ except FileNotFoundError:
 # Function to process user input into a bag-of-words format
 def bag_of_words(s, words):
     bag = [0 for _ in range(len(words))]
-    s_words = nltk.word_tokenize(s)
+    s_words = word_tokenize(s)  # Replaced nltk.word_tokenize(s)
     s_words = [stemmer.stem(word.lower()) for word in s_words if word.lower() in words]
     for se in s_words:
         for i, w in enumerate(words):