Application update

app.py

@@ -22,6 +22,7 @@ import os
 
 from langchain_community.document_loaders import TextLoader
 from langchain_community.vectorstores import FAISS
+from langchain_community.embeddings import HuggingFaceEmbeddings
 from langchain.text_splitter import CharacterTextSplitter
 from langchain_core.output_parsers import StrOutputParser
 from langchain_core.runnables import RunnablePassthrough