Update app.py

app.py

@@ -84,7 +84,10 @@ with demo:
         # upload_button = gr.Button("Upload Documents")
         with gr.Row():
             u = gr.UploadButton("Upload a file", file_count="single")
-        u.upload(upload_file, u, [u, d])
+            d = gr.DownloadButton("Download the file", visible=False)
+
+    u.upload(upload_file, u, [u, d])
+    d.click(download_file, None, [u, d])
         
     
     with gr.Row():