Update app.py

app.py

@@ -43,7 +43,8 @@ if uploaded_file:
     query_engine = index.as_query_engine(similarity_top_k=5)
 
     st.subheader("Setting Up Query Tool")
-    llm = ChatGroq(groq_api_key=GROQ_API_KEY, model="llama3-70b-8192")
+    llm = ChatGroq(groq_api_key=os.getenv("GROQ_API_KEY"), model="groq/llama-3.2-90b-text-preview")
+
 
     
     query_tool = LlamaIndexTool.from_query_engine(