pop default prompt from args before running

demo_watermark.py

@@ -352,11 +352,12 @@ def run_gradio(args, model=None, device=None, tokenizer=None):
 
         # Construct state for parameters, define updates and toggles
         session_args = gr.State(value=args)
+        default_prompt = args.__dict__.pop("default_prompt")
 
         with gr.Tab("Generate and Detect"):
             
             with gr.Row():
-                prompt = gr.Textbox(label=f"Prompt", interactive=True,lines=10,max_lines=10, value=args.default_prompt)
+                prompt = gr.Textbox(label=f"Prompt", interactive=True,lines=10,max_lines=10, value=default_prompt)
             with gr.Row():
                 generate_btn = gr.Button("Generate")
             with gr.Row():