Update app.py

app.py

@@ -625,10 +625,10 @@ with gr.Blocks(css=css) as demo:
                 label="📣 Status", lines=18, interactive=False, elem_id="status-box"
             )
             workbook_upload.change(
-            fn=read_uploaded_workbook,
-            inputs=[workbook_upload],
-            outputs=[image_data_state, status]
-        )
+                fn=read_uploaded_workbook,
+                inputs=[workbook_upload],
+                outputs=[image_data_state, status]  # ✅ status is now defined
+            )
             with gr.Group(elem_classes="panel"):
                 zip_download_btn = gr.Button("📦")