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from langchain.chains.qa_with_sources.retrieval import RetrievalQAWithSourcesChain
from langchain.chat_models import ChatOpenAI
import logging
import os
from src.config import Config
def load_model():
model = ChatOpenAI(temperature=Config.temperature,
streaming=Config.streaming)
return model
def load_chain(docsearch):
model = load_model()
chain = RetrievalQAWithSourcesChain.from_chain_type(
ChatOpenAI(temperature=0, streaming=True),
chain_type="stuff",
retriever=docsearch.as_retriever(max_tokens_limit=4097),
)
return chain
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