Update app.py

app.py

@@ -11,7 +11,7 @@ def chat_interface_fn(message, history, session_id):
     if history and isinstance(history[0], tuple):
         print("DEBUG: Converting history from tuple format to dictionary format.")
         history = [{"role": "user", "content": h[0]}, {"role": "assistant", "content": h[1]} for h in history]
-    
+
     # 1) Get answer from the session-based memory pipeline
     answer = run_with_session_memory(message, session_id)