Update app.py

app.py

@@ -2,10 +2,8 @@ import os
 import streamlit as st
 from typing import List, Tuple
 import json
-import uvicorn
 from dotenv import load_dotenv
 load_dotenv()
-from fastapi import FastAPI
 from langchain.agents import AgentExecutor
 from langchain.agents.format_scratchpad import format_to_openai_function_messages
 from langchain.agents.output_parsers import OpenAIFunctionsAgentOutputParser
@@ -160,7 +158,7 @@ def search():
     prompt = PromptTemplate(template=template, input_variables=["context","question"])
     chain_type_kwargs = {"prompt": prompt}
     return RetrievalQA.from_chain_type(
-    llm=llm,
+    llm=llm_1,
     chain_type="stuff",
     retriever=vector.as_retriever(),
     chain_type_kwargs=chain_type_kwargs,
@@ -184,7 +182,7 @@ app = FastAPI(
 )
 
 tools = [chain_rag_tool, api_tool]
-llm_with_tools = llm.bind(functions=[format_tool_to_openai_function(t) for t in tools])
+llm_with_tools = llm_1.bind(functions=[format_tool_to_openai_function(t) for t in tools])
 
 
 def _format_chat_history(chat_history: List[Tuple[str, str]]):