update

app.py

@@ -46,7 +46,7 @@ def create_app():
             # Run analysis
             run_analysis_btn.click(
                 fn=process_analysis_request,
-                inputs=[dataset_state, analysis_options, {}],
+                inputs=[dataset_state, analysis_options, None],  # Replace {} with None
                 outputs=[analysis_results_state, analysis_output]
             )