小编nar*_*ara的帖子

我收到一个错误说

ValueError: `run` not supported when there is not exactly one output key. Got ['answer', 'sources', 'source_documents'].

这是回溯错误

File "C:\Users\Science-01\anaconda3\envs\gpt-dev\lib\site-packages\streamlit\runtime\scriptrunner\script_runner.py", line 565, in _run_script
    exec(code, module.__dict__)
File "C:\Users\Science-01\Documents\Working Folder\Chat Bot\Streamlit\alpha-test.py", line 67, in <module>
    response = chain.run(prompt, return_only_outputs=True)
File "C:\Users\Science-01\anaconda3\envs\gpt-dev\lib\site-packages\langchain\chains\base.py", line 228, in run
    raise ValueError(

我尝试在 Streamlit 上运行 langchain。我使用RetrievalQAWithSourcesChain和ChatPromptTemplate

这是我的代码

import os

import streamlit as st

from apikey import apikey

from langchain.document_loaders import PyPDFLoader
from langchain.document_loaders import DirectoryLoader
from langchain.text_splitter import RecursiveCharacterTextSplitter
from langchain.embeddings.openai import OpenAIEmbeddings …