use skip instead of update

app.py

@@ -50,7 +50,7 @@ def update_sources_list(question_option, source_finder_id, baseline_ranker_id: s
     global previous_run_id
     if evt and evt.target and evt.target.elem_id == "run_id_dropdown":
         if run_id == previous_run_id:
-            return gr.update(), gr.update(), gr.update(), gr.update()
+            return gr.skip(), gr.skip(), gr.skip(), gr.skip()
         # Store the current run_id for future comparison
     previous_run_id = run_id
     return asyncio.run(update_sources_list_async(question_option, source_finder_id, baseline_ranker_id, run_id))
@@ -59,7 +59,7 @@ def update_sources_list(question_option, source_finder_id, baseline_ranker_id: s
 # Main function to handle UI interactions
 async def update_sources_list_async(question_option, source_finder_id, baseline_ranker_id: str, run_id: str):
     if not question_option:
-        return  gr.update(), gr.update(), gr.update(), "No question selected"
+        return gr.skip(), gr.skip(), gr.skip(), "No question selected"
 
     # Extract question ID from selection
     question_id = int(question_option.split(":")[0])