Fix tiny prompt content format

app.py

@@ -312,10 +312,7 @@ def build_prompt(processor_obj, user_text: str) -> str:
     messages = [
         {
             "role": "user",
-            "content": [
-                {"type": "image"},
-                {"type": "text", "text": user_text},
-            ],
+            "content": f"<image>\n{user_text}",
         }
     ]
     tokenizer = getattr(processor_obj, "tokenizer", None)