Update app.py

app.py

@@ -517,7 +517,9 @@ def handle_query(user_question, chatbot, audio=None):
     stop_event.clear()
     print(user_question)
     if future and not future.done():
-        return "A query is already being processed. Please stop it before starting a new one."
+        chatbot.append(("","A query is already being processed. Please stop it before starting a new one."))
+        return gr.update(value=chatbot)
+       
     print(user_question)
     # Start the processing in a new thread
     future = executor.submit(answer_question_thread, user_question, chatbot)
@@ -543,7 +545,9 @@ def handle_query(user_question, chatbot, audio=None):
             chatbot.append((user_question1, response_text1))
             return gr.update(value=chatbot)
         except Exception as e:
-            return [(f"Error occurred: {e}", "bot")]
+            print [(f"Error occurred: {e}", "")]
+            chatbot.append((user_question, "Sorry, we encountered an error while processing your request. Please try after some time."))
+            return gr.update(value=chatbot)
 
 
 def stop_processing(chatbot):