Update app.py

app.py

@@ -2,10 +2,10 @@ import streamlit as st
 import tempfile
 import logging
 from typing import List
-from langchain.document_loaders import PyPDFLoader
-from langchain.embbeddings import HuggingFaceEmbeddings
-from langchain.vectorstores import FAISS
-from langchain.llms import HuggingFacePipeline
+from langchain_community.document_loaders import PyPDFLoader
+from langchain.embeddings import HuggingFaceEmbeddings
+from langchain_community.vectorstores import FAISS
+from langchain_community.llms import HuggingFacePipeline
 from langchain.chains.summarize import load_summarize_chain
 from langchain.schema import Document
 from langchain.text_splitter import RecursiveCharacterTextSplitter
@@ -136,4 +136,4 @@ def main():
                         st.warning("Failed to generate summary. Please try again.")
 
 if __name__ == "__main__":
-    main()
+    main()