Update app.py

app.py

@@ -209,7 +209,7 @@ with gr.Blocks(css="style.css") as demo:
         gr.HTML(title)
         
         prompt_input = gr.Textbox(placeholder="a cat diva singing in a New York jazz club", label="Musical prompt", elem_id="prompt-in")
-        audio_input = gr.Audio(source="upload", type="filepath", visible=False)
+        audio_input = gr.Audio(sources=["upload"], type="filepath", visible=False)
         with gr.Row():
             negative_prompt = gr.Textbox(label="Negative prompt")
             duration_input = gr.Slider(label="Duration in seconds", minimum=5, maximum=10, step=1, value=8, elem_id="duration-slider")