Update app.py

app.py

@@ -42,13 +42,14 @@ print("DATABASE URI:", DATABASE_URI)
 
 GROQ_API_KEY = os.getenv("GROQ_API_KEY")
 os.environ["GROQ_API_KEY"] = GROQ_API_KEY
+os.environ["MISTRAL_API_KEY"] = MISTRAL_API_KEY
 
 # Use ChatGroq LLM (which does not require a Hugging Face API token)
 from langchain_groq import ChatGroq
 from langchain_mistralai.chat_models import ChatMistralAI
 
-ll = ChatMistralAI(api_key=api_key)
-llm = ChatGroq(model="llama3-70b-8192")
+llm = ChatMistralAI(model="mistral-large-latest")
+#llm = ChatGroq(model="llama3-70b-8192")
 
 @tool
 def db_query_tool(query: str) -> str: