Update app.py

app.py

@@ -132,10 +132,15 @@ with gr.Blocks(title="Generative AI Q/A System") as demo:
         chatbot = gr.Chatbot()
         msg = gr.Textbox(label="Your Question")
         clear = gr.Button("Clear")
-        
+
         def respond(message, history):
-            response = qa_system.process_query(message)
-            return response
+            try:
+                response = qa_system.process_query(message)
+                return "", history + [(message, response)]
+            except Exception as e:
+                error_message = f"Error processing query: {str(e)}"
+                return "", history + [(message, error_message)]
+        
         
         msg.submit(respond, [msg, chatbot], [chatbot])
         clear.click(lambda: None, None, chatbot, queue=False)