Update app.py

app.py

@@ -5,6 +5,17 @@ import os
 import random
 import string
 
+import nltk
+from nltk.corpus import wordnet, stopwords
+import random
+import string
+
+# Download necessary NLTK data
+nltk.download('punkt')
+nltk.download('averaged_perceptron_tagger')
+nltk.download('wordnet')
+nltk.download('stopwords')
+
 # define the openai key
 api_key = os.getenv("OPENAI_API_KEY")