Update app.py

app.py

@@ -79,6 +79,6 @@ with gr.Blocks() as demo:
                 
             output2 = gr.DataFrame(value=dff1_2, max_height =900)
             
-        dropdown.change(fn=display_table2, inputs=dropdown2, outputs=output2)
+        dropdown2.change(fn=display_table2, inputs=dropdown2, outputs=output2)
 
 demo.launch()