update yt_download

app.py

@@ -208,7 +208,7 @@ with gr.Blocks() as demo:
 
         def process_and_handle_errors(input_audio, input_youtube_url, reference_audio, reference_youtube_url):
             result = process_audio_with_youtube(input_audio, input_youtube_url, reference_audio, reference_youtube_url)
-            if len(result) == 3 and isinstance(result[2], str):  # Error occurred
+            if len(result) == 3 and isinstance(result[2], str):  # Error occurred check
                 return None, None, None, gr.update(visible=True, value=result[2])
             return result[0], result[1], result[2], gr.update(visible=False, value="")