Update app.py

app.py

@@ -72,7 +72,7 @@ def process_audio(url, model, output_format, overlap, segment_size, denoise):
 # Gradio UI
 with gr.Blocks() as demo:
     gr.Markdown("# Hex Audio Separator")
-    with gr.Row():
+    with gr.Column():
         url_input = gr.Textbox(label="YouTube URL")
         model_input = gr.Dropdown(choices=list(roformer_models.keys()), label="Roformer Model")
         format_input = gr.Dropdown(choices=output_format, label="Output Format")