Update app.py

app.py

@@ -69,7 +69,11 @@ def chat_fn(message, history, temperature, top_p, top_k):
         return_tensors="pt"
     )["pixel_values"].to(device)
 
+    prompt = f"<user>\n"
+
+    """
     prompt = f"<user>\n{text}<assistant>\n"
+    """
     print("[DEBUG] prompt:", prompt)
 
     # ★ ここが重要：累積して yield