"display_name":"Python 3" }, "language_info": { "name":"python" } }, "cells": [ { "cell_type":"markdown", "source": [ "# Langchain Retrieval QA 文心一言例子\n", "\n", "参考:https://python.langchain.com/docs/modules/chains/popular/vector_db_qa\n", ...
在RAG项目中,我正在使用langchain。当我使用查询输入运行 QA 链时,此错误不断出现: ---> 结果 = qa_chain({'query': 问题}) ValueError:缺少一些输入键:{'...
Python version: Python 3.11.4 LangChain version: 0.0.287 Example response with missing sources: Entering new RetrievalQAWithSourcesChain chain... Finished chain. {'question': 'what is sql injection', 'answer': 'SQL injection is a web security vulnerability that allows an attacker to interfere ...
模板中缺少{context}。
Issue you'd like to raise. I am getting this error while setting a RetrievalQA using FAISS, the code is as follows: Using the following version on a MAC : python 3.10, Faiss_cpu 1.7.4, langchain 0.0.310 embeddings_model_name = os.environ...
If you've checked all of these and the issue still persists, it might be helpful to provide more information about your environment, such as the version of LangChain you're using, the version of Python, and any other libraries that might be relevant. This will help us better understand th...
3 qa_chain_mr = RetrievalQA.from_chain_type( 4 llm, retriever=vectordb.as_retriever(), chain_type="refine" 5 ) ---> 6 result = qa_chain_mr({"query": question}) 7 result["result"] File ~/.conda/envs/genai/lib/python3.10/site-packages/langchain/chains/base.py:149, in Chain...
But I use RetrievalQA, it did not has reduce_k_below_max_tokens field, please check this reference https://python.langchain.com/en/latest/reference/modules/chains.html#langchain.chains.RetrievalQA should I change to RetrievalQAWithSourcesChain? what's the different between them? Thanks! 我也...
System Info Ubuntu 20.04.6 Python 3.8.5 Langchain 0.0.184 Who can help? No response Information The official example notebooks/scripts My own modified scripts Related Components LLMs/Chat Models Embedding Models Prompts / Prompt Template...