.

app.py

@@ -105,7 +105,7 @@ with gr.Blocks(css="""
             with gr.Column(scale=3):
                 avid_readers_plot = gr.Plot(value=plot_avid_readers(data_tiny))
 
-        selected_dataset_3.change(fn=req_4, inputs=selected_dataset_4, outputs=[avid_readers, avid_readers_plot])
+        selected_dataset_4.change(fn=req_4, inputs=selected_dataset_4, outputs=[avid_readers, avid_readers_plot])
 
     gr.Markdown("""
         ## Requirement 5 & 6: "Also likes" functionality and graph