Update app.py

app.py

@@ -39,9 +39,12 @@ def respond(message, history):
     if not answer_vi.strip():  # if the response is empty
         answer_vi = "Sorry, I couldn't understand the question."
 
-    # Add to history and return it
+    # Make sure to append the message and response as a tuple of strings
     history.append((message, answer_vi))
     
+    # Log the formatted history
+    logging.info(f"Message: {message}, Answer: {answer_vi}")
+    
     return "", history
 
 # 3) Gradio ChatInterface