Update app.py

app.py

@@ -113,7 +113,7 @@ if __name__ == "__main__":
         model_dir="./model-weights",
         temp_dir="temp",
         device="cuda",
-        model="google/gemini-2.5-pro-exp-03-25:free",
+        model="qwen/qwen2.5-vl-3b-instruct:free",
         temperature=0.7,
         top_p=0.95
     )