Update app.py

app.py

@@ -2,7 +2,7 @@ import streamlit as st
 import os
 import base64
 from dotenv import load_dotenv
-from langchain_openai import OpenAI
+from langchain_groq import ChatGroq
 from langchain.chains import LLMMathChain, LLMChain
 from langchain.prompts import PromptTemplate
 from langchain_community.utilities import WikipediaAPIWrapper
@@ -21,7 +21,7 @@ if not groq_api_key:
 st.set_page_config(page_title="Math Solver", page_icon="👨‍🔬")
 st.title("Math Solver")
 
-llm_text = OpenAI(model='gpt-3.5-turbo-instruct', temperature=0)
+llm_text = ChatGroq(model="gemma2-9b-it", groq_api_key=groq_api_key)
 llm_image = ChatGroq(model="llama-3.2-90b-vision-preview", groq_api_key=groq_api_key)
 
 wikipedia_wrapper = WikipediaAPIWrapper()