Update app.py

app.py

@@ -1,6 +1,7 @@
 from typing import List
 from pathlib import Path
-from langchain_huggingface import ChatHuggingFace, HuggingFaceEmbeddings
+from langchain_community.chat_models.huggingface import ChatHuggingFace
+from langchain_community.embeddings import HuggingFaceEmbeddings
 from langchain.prompts import ChatPromptTemplate
 from langchain.schema import StrOutputParser
 from langchain_community.document_loaders import (