模型 `text-davinci-003` 已被弃用，在此处了解更多信息：https://platform.openai.com/docs/deprecations

Question

我的 Langchain 聊天机器人遇到问题

通过更新代码帮助我找到解决方案 它显示此错误：模型

text-davinci-003

已被弃用，在此处了解更多信息：https://platform.openai.com/docs/deprecations 请修复我的代码。

有关更多信息，我使用此视频创建了此项目：https://youtu.be/wUAUdEw5oxM?si=NbRXJsSLfjpIgHzR

import os
from apikey import apikey
import streamlit as st
from PyPDF2 import PdfReader
from langchain.text_splitter import CharacterTextSplitter
from langchain.embeddings.openai import OpenAIEmbeddings
from langchain.vectorstores import FAISS
from langchain.llms import OpenAI
from langchain.chains.question_answering import load_qa_chain


os.environ['OPENAI_API_KEY']=apikey

def main():
    
    print('hello world')
    st.set_page_config(page_title='Chat Bot 🛠📋')
    st.header('ChatBot 🛠📋 For Mechanical Department')

    #UPLOADING THE FILE
    pdf=st.file_uploader('Upload your PDF',type='pdf')

    #READING THE FILE
    if pdf is not None:
        pdf_reader=PdfReader(pdf)
        text=''
        for page in pdf_reader.pages:
            text+=page.extract_text()

      #SPLIT INTO CHUNCK
        text_splitter=CharacterTextSplitter(
            separator="\n",
            chunk_size=1000,
            chunk_overlap=200,
            length_function=len
         )
        chunks=text_splitter.split_text(text)

        #CREATE EMBEDDINGS
        embeddings=OpenAIEmbeddings()
        knowledge_base=FAISS.from_texts(chunks, embeddings)

        #SHOW USER INPUT
        user_questions=st.text_input("Ask question")
        if user_questions:
            docs = knowledge_base.similarity_search(user_questions)


            #ASWERING THE QUESTION
            
            llm=OpenAI() #language model
            chain = load_qa_chain(llm, chain_type="stuff")
            response=chain.run(input_documents=docs, question=user_questions)
            st.write(response)
           



if __name__=='__main__':
    main()

Answer 1

• 安装

  langchain-openai

• 更换

from langchain.embeddings.openai import OpenAIEmbeddings

与

from langchain_openai import OpenAIEmbeddings