Update app.py

app.py

@@ -15,7 +15,7 @@ from langchain_core.messages import (
 )
 from langchain_huggingface import ChatHuggingFace
 from langchain_core.output_parsers import StrOutputParser
-from langchain.llms import HuggingFaceEndpoint
+from langchain_huggingface import HuggingFaceEndpoint
 from dotenv import load_dotenv
 load_dotenv()