Update app.py

app.py

@@ -394,7 +394,7 @@ with gr.Blocks() as demo:
                 ['./qwenstyleref/content_9.jpg','./qwenstyleref/style_9.png',default_prompt,123,False,1.0,4,1024,[]],
                 ['./qwenstyleref/style_9.png','./qwenstyleref/content_9.jpg',default_prompt,123,False,1.0,4,1024,["infer with style prompt"]],
                 ['./qwenstyleref/content_11.png','./qwenstyleref/style_11.jpg',default_prompt,123,False,1.0,4,832,[]],
-                ['./qwenstyleref/content_9.jpg','',"convert to photorealistic photograph",123,False,1.0,4,1024,[]],
+                ['./qwenstyleref/content_9.jpg',None,"convert to photorealistic photograph",123,False,1.0,4,1024,[]],
                 ],
                 inputs=[content_ref,
                     style_ref,