Update app.py

app.py

@@ -45,6 +45,8 @@ with gr.Blocks(title="Article → Highlights") as demo:
     out = gr.Textbox(lines=8, label="Highlights")
     btn.click(summarize_fn, [inp, max_new, min_new, beams, lp], out)
 
-demo.queue(concurrency_count=2, max_size=10)
+# works across recent Gradio versions
+demo.queue()   # or just remove this line entirely
 if __name__ == "__main__":
     demo.launch()
+