Update app.py

app.py

@@ -24,8 +24,15 @@ logging.basicConfig(level=logging.INFO)
 spell = Speller()
 
 # Ensure necessary NLTK data is downloaded
-nltk.download('punkt')
-nltk.download('wordnet')
+try:
+    nltk.data.find('tokenizers/punkt')
+except LookupError:
+    nltk.download('punkt')
+
+try:
+    nltk.data.find('corpora/wordnet')
+except LookupError:
+    nltk.download('wordnet')
 
 class modelPredict:
     def __init__(self, intents_path='Newdata.json', model_path='cbv_model.h5'):
@@ -102,6 +109,5 @@ iface = gr.Interface(
     description="A simple chatbot with spell correction and intent prediction.",
 )
 
-
+# Launch the Gradio interface
 iface.launch(share=True)
-