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from langchain.chains import LLMChain
from langchain_groq import ChatGroq
import os
from prompts import contextualize_prompt # A new prompt for contextualizing the query
class ContextualizeChain(LLMChain):
def format_query(self, user_query: str, chat_history: list) -> str:
# Use invoke() to format the query based on chat history
return self.invoke({"input": user_query, "chat_history": chat_history})
def get_contextualize_chain():
chat_groq_model = ChatGroq(model="Gemma2-9b-It", groq_api_key=os.environ["GROQ_API_KEY"])
chain = ContextualizeChain(
llm=chat_groq_model,
prompt=contextualize_prompt # A prompt for contextualizing the question
)
return chain
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