eror combine

[laynz28]

<_io.TextIOWrapper name=53 encoding='UTF-8'> Traceback (most recent call last): File "/usr/local/lib/python3.10/dist-packages/gradio/routes.py", line 488, in run_predict output = await app.get_blocks().process_api( File "/usr/local/lib/python3.10/dist-packages/gradio/blocks.py", line 1431, in process_api result = await self.call_function( File "/usr/local/lib/python3.10/dist-packages/gradio/blocks.py", line 1109, in call_function prediction = await anyio.to_thread.run_sync( File "/usr/local/lib/python3.10/dist-packages/anyio/to_thread.py", line 33, in run_sync return await get_asynclib().run_sync_in_worker_thread( File "/usr/local/lib/python3.10/dist-packages/anyio/_backends/_asyncio.py", line 877, in run_sync_in_worker_thread return await future File "/usr/local/lib/python3.10/dist-packages/anyio/_backends/_asyncio.py", line 807, in run result = context.run(func, *args) File "/usr/local/lib/python3.10/dist-packages/gradio/utils.py", line 706, in wrapper response = f(*args, **kwargs) File "/content/Advanced-RVC-Inference/infer.py", line 432, in combine_vocal_and_inst wavfile.write(vocal_path, audio_data[0], audio_data[1]) TypeError: 'NoneType' object is not subscriptable