Update app.py

app.py

@@ -59,7 +59,7 @@ with gr.Blocks() as demo:
     
     
     # Set up button click event
-    separate_button.click(fn=separate_audio, inputs=audio_input, outputs=output_1, output_2)
+    separate_button.click(fn=separate_audio, inputs=audio_input, outputs=[output_1, output_2])
 
 # Launch the interface
 demo.launch()