Update app.py

app.py

@@ -304,7 +304,7 @@ with gr.Blocks() as demo:
     topic_content_code_state = gr.State()
 
     topic_dropdown.change(fn=update_topic_content, inputs=topic_dropdown, outputs=[topic_content_dropdown, topic_content_state, topic_code_state])
-    topic_content_dropdown.change(fn=update_reports, inputs=[topic_content_dropdown, topic_content_state], #, topic_code_state],
+    topic_content_dropdown.change(fn=update_reports, inputs=[topic_content_dropdown, '', topic_content_state], #, topic_code_state],
                                   outputs=[titles_state, topic_content_code_state, report_dropdown])
     report_dropdown.change(fn=update_topic_params_and_link, inputs=[report_dropdown, titles_state], #, topic_code_state, topic_content_code_state],
                            outputs=[topic_params_box, link_output, kwargs_box])