Update app.py

app.py

@@ -165,19 +165,23 @@ with gr.Blocks() as demo:
     with gr.Row():
         upload_btn = gr.File(label="Upload dataset (.json)", file_types=[".json"], type="filepath")
         upload_status = gr.Textbox(label="Upload status", interactive=False)
-        download_json_btn = gr.File(label="Download current dataset (.json)")
-        download_csv_btn = gr.File(label="Export conversation to CSV")
+
+    # New download system
+    with gr.Row():
+        download_json_btn = gr.Button("Download current dataset (.json)")
+        download_csv_btn = gr.Button("Export conversation to CSV")
+        download_json_file = gr.File(label="JSON download")
+        download_csv_file = gr.File(label="CSV download")
 
     # Events
     msg.submit(respond, [msg, chatbot, category], [msg, chatbot])
     send.click(respond, [msg, chatbot, category], [msg, chatbot])
     clear.click(clear_chat, None, chatbot, queue=False)
-
     upload_btn.upload(upload_json, upload_btn, [upload_status, category])
 
-    # Fixed downloads using click with component inputs
-    download_json_btn.click(lambda: download_current_json(), inputs=None, outputs=download_json_btn)
-    download_csv_btn.click(lambda history: download_conversation_csv(history), inputs=chatbot, outputs=download_csv_btn)
+    # Fixed download events using Button -> File
+    download_json_btn.click(fn=download_current_json, inputs=None, outputs=download_json_file)
+    download_csv_btn.click(fn=download_conversation_csv, inputs=chatbot, outputs=download_csv_file)
 
 # -----------------------------
 # Startup log