module 'ffmpeg' has no attribute 'input'

[lckj2009]

官网上面没说需要ffmpeg就算了，怎么还报错如下错误呢：module 'ffmpeg' has no attribute 'input'

ffmpeg是版本不对吗？需要什么版本？

详细错误如下：

Traceback (most recent call last):
File "/root/anaconda3/envs/ani/lib/python3.9/site-packages/gradio/queueing.py", line 522, in process_events
response = await route_utils.call_process_api(
File "/root/anaconda3/envs/ani/lib/python3.9/site-packages/gradio/route_utils.py", line 260, in call_process_api
output = await app.get_blocks().process_api(
File "/root/anaconda3/envs/ani/lib/python3.9/site-packages/gradio/blocks.py", line 1689, in process_api
result = await self.call_function(
File "/root/anaconda3/envs/ani/lib/python3.9/site-packages/gradio/blocks.py", line 1255, in call_function
prediction = await anyio.to_thread.run_sync(
File "/root/anaconda3/envs/ani/lib/python3.9/site-packages/anyio/to_thread.py", line 56, in run_sync
return await get_async_backend().run_sync_in_worker_thread(
File "/root/anaconda3/envs/ani/lib/python3.9/site-packages/anyio/_backends/_asyncio.py", line 2177, in run_sync_in_worker_thread
return await future
File "/root/anaconda3/envs/ani/lib/python3.9/site-packages/anyio/_backends/_asyncio.py", line 859, in run
result = context.run(func, *args)
File "/root/anaconda3/envs/ani/lib/python3.9/site-packages/gradio/utils.py", line 750, in wrapper
response = f(*args, **kwargs)
File "/root/AniPortrait/scripts/app.py", line 265, in audio2video
stream = ffmpeg.input(save_path)
AttributeError: module 'ffmpeg' has no attribute 'input'