能给出此项目所使用库的版本吗？我觉得此问题是库的版本不同导致的。

[kullferr]

AttributeError: 'NoneType' object has no attribute 'similarity_search' Traceback (most recent call last): File "d:\Python\Python311\Lib\site-packages\gradio\queueing.py", line 521, in process_events response = await route_utils.call_process_api( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "d:\Python\Python311\Lib\site-packages\gradio\route_utils.py", line 276, in call_process_api output = await app.get_blocks().process_api( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "d:\Python\Python311\Lib\site-packages\gradio\blocks.py", line 1923, in process_api result = await self.call_function( ^^^^^^^^^^^^^^^^^^^^^^^^^ File "d:\Python\Python311\Lib\site-packages\gradio\blocks.py", line 1509, in call_function prediction = await anyio.to_thread.run_sync( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "d:\Python\Python311\Lib\site-packages\anyio\to_thread.py", line 56, in run_sync return await get_async_backend().run_sync_in_worker_thread( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "d:\Python\Python311\Lib\site-packages\anyio\_backends\_asyncio.py", line 2177, in run_sync_in_worker_thread return await future ^^^^^^^^^^^^ File "d:\Python\Python311\Lib\site-packages\anyio\_backends\_asyncio.py", line 859, in run result = context.run(func, *args) ^^^^^^^^^^^^^^^^^^^^^^^^ File "d:\Python\Python311\Lib\site-packages\gradio\utils.py", line 832, in wrapper response = f(*args, **kwargs) ^^^^^^^^^^^^^^^^^^ File "D:\LocalQA_webui\main.py", line 61, in bot info = augment_prompt(db, query) ^^^^^^^^^^^^^^^^^^^^^^^^^ File "D:\LocalQA_webui\utils\model_process.py", line 46, in augment_prompt similar_docs = db.similarity_search(query, k=k) ^^^^^^^^^^^^^^^^^^^^ AttributeError: 'NoneType' object has no attribute 'similarity_search'

[kullferr]

我已经进入了问答页面，但在发送问题后，页面会显示“错误”，然后在终端会报告以上错误