Error - ChatVectorDBChain qa_prompt extra fields not permitted (type=value_error.extra)

[johnemartines]

Running on local URL: http://127.0.0.1:7860

To create a public link, set share=True in launch().
/home/jmartines/dev-ai/venv/lib/python3.11/site-packages/langchain/chains/conversational_retrieval/base.py:233: UserWarning: ChatVectorDBChain is deprecated - please use from langchain.chains import ConversationalRetrievalChain
warnings.warn(
Traceback (most recent call last):
File "/home/jmartines/dev-ai/venv/lib/python3.11/site-packages/gradio/routes.py", line 414, in run_predict
output = await app.get_blocks().process_api(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jmartines/dev-ai/venv/lib/python3.11/site-packages/gradio/blocks.py", line 1323, in process_api
result = await self.call_function(
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jmartines/dev-ai/venv/lib/python3.11/site-packages/gradio/blocks.py", line 1051, in call_function
prediction = await anyio.to_thread.run_sync(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jmartines/dev-ai/venv/lib/python3.11/site-packages/anyio/to_thread.py", line 31, in run_sync
return await get_asynclib().run_sync_in_worker_thread(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jmartines/dev-ai/venv/lib/python3.11/site-packages/anyio/_backends/_asyncio.py", line 937, in run_sync_in_worker_thread
return await future
^^^^^^^^^^^^
File "/home/jmartines/dev-ai/venv/lib/python3.11/site-packages/anyio/_backends/_asyncio.py", line 867, in run
result = context.run(func, *args)
^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jmartines/dev-ai/chat-your-data/app.py", line 19, in set_openai_api_key
chain = get_chain(vectorstore)
^^^^^^^^^^^^^^^^^^^^^^
File "/home/jmartines/dev-ai/chat-your-data/query_data.py", line 28, in get_chain
qa_chain = ChatVectorDBChain.from_llm(
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/jmartines/dev-ai/venv/lib/python3.11/site-packages/langchain/chains/conversational_retrieval/base.py", line 267, in from_llm
return cls(
^^^^
File "pydantic/main.py", line 341, in pydantic.main.BaseModel.init
pydantic.error_wrappers.ValidationError: 1 validation error for ChatVectorDBChain
qa_prompt
extra fields not permitted (type=value_error.extra)

[RohanBS]

@hwchase17 any idea how to fix this issue ?

[frandominguezl]

I'm going to assume that the param qa_prompt is no longer accepted. You can try to delete that argument and see if that works. I haven't tested locally.

chat-your-data/query_data.py

Line 31 in ab58895

qa_prompt=QA_PROMPT,

[ihor-shndr]

It helped @frandominguezl
Thanks!

[Robert-Wang-08]

same error, same soluthon worked!

I'm going to assume that the param qa_prompt is no longer accepted. You can try to delete that argument and see if that works. I haven't tested locally.

chat-your-data/query_data.py

Line 31 in ab58895

qa_prompt=QA_PROMPT,

pydantic.error_wrappers.ValidationError: 1 validation error

[wangdong2023]

where to put qa_prompt then?