Update app.py

app.py

@@ -42,7 +42,7 @@ def model_response(message, history):
     print("Format history")
     gemini_history = []
 
-    for message in messages:
+    for message in history:
         #print(f"t1 {message}")
         # Skip thinking messages (messages with metadata)
         #if not (message.get("role") == "assistant" and "metadata" in message):