我安装的是图形化界面，在我点击Translate后出现了问题

[AshtonChan11]

(Lerobot) robot@chase:~$ pdf2zh -i
(…)ayout_yolo_docstructbench_imgsz1024.onnx: 100%|█| 75.3M/75.3M [00:47<00:00, 1
Running on local URL:  http://0.0.0.0:7860

To create a public link, set `share=True` in `launch()`.
Traceback (most recent call last):
  File "/home/robot/.conda/envs/Lerobot/lib/python3.9/site-packages/gradio/queueing.py", line 536, in process_events
    response = await route_utils.call_process_api(
  File "/home/robot/.conda/envs/Lerobot/lib/python3.9/site-packages/gradio/route_utils.py", line 322, in call_process_api
    output = await app.get_blocks().process_api(
  File "/home/robot/.conda/envs/Lerobot/lib/python3.9/site-packages/gradio/blocks.py", line 1935, in process_api
    result = await self.call_function(
  File "/home/robot/.conda/envs/Lerobot/lib/python3.9/site-packages/gradio/blocks.py", line 1520, in call_function
    prediction = await anyio.to_thread.run_sync(  # type: ignore
  File "/home/robot/.conda/envs/Lerobot/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 "/home/robot/.conda/envs/Lerobot/lib/python3.9/site-packages/anyio/_backends/_asyncio.py", line 2461, in run_sync_in_worker_thread
    return await future
  File "/home/robot/.conda/envs/Lerobot/lib/python3.9/site-packages/anyio/_backends/_asyncio.py", line 962, in run
    result = context.run(func, *args)
  File "/home/robot/.conda/envs/Lerobot/lib/python3.9/site-packages/gradio/utils.py", line 826, in wrapper
    response = f(*args, **kwargs)
  File "/home/robot/.conda/envs/Lerobot/lib/python3.9/site-packages/pdf2zh/gui.py", line 213, in translate_file
    cancellation_event_map[session_id] = asyncio.Event()
  File "/home/robot/.conda/envs/Lerobot/lib/python3.9/asyncio/locks.py", line 177, in __init__
    self._loop = events.get_event_loop()
  File "/home/robot/.conda/envs/Lerobot/lib/python3.9/asyncio/events.py", line 642, in get_event_loop
    raise RuntimeError('There is no current event loop in thread %r.'
RuntimeError: There is no current event loop in thread 'AnyIO worker thread'.

你好，请问这该如何解决呢？谢谢。
这是我的pdf文档：

Lerobot.pdf