Update app.py

app.py

@@ -491,7 +491,7 @@ with gr.Blocks(title="Hex RVC") as app:
         url = gr.Textbox(label="Your model URL")
         dirname = gr.Textbox(label="Your Model name")
         button_model = gr.Button("Download model")
-        button_model.click(fn=download_online_model, inputs=url, dirname, output=dirname)
+        button_model.click(fn=download_online_model, inputs=[url, dirname], output=[dirname])
     with gr.Tab("Audio Separation"):
         with gr.Row():
             input_audio = gr.Audio(source="upload", type="filepath", label="Upload Audio File")