Minor improvements: remove redundant visible parameter and add share=False

app.py

@@ -320,7 +320,7 @@ with gr.Blocks(
     with gr.Row():
         with gr.Column():
             output_html = gr.HTML(label="Visualization")
-            download_btn = gr.DownloadButton("📥 Download HTML", visible=True)
+            download_file = gr.File(label="📥 Download HTML", visible=False)
 
     # Event handlers
     news_btn.click(fn=lambda: EXAMPLE_NEWS, outputs=[text_input])
@@ -373,4 +373,4 @@ with gr.Blocks(
 
 
 if __name__ == "__main__":
-    demo.launch(server_name="0.0.0.0", server_port=7860)
+    demo.launch(server_name="0.0.0.0", server_port=7860, share=False)