Update app.py

app.py

@@ -4,9 +4,9 @@ from googletrans import Translator
 import requests
 from dotenv import load_dotenv
 import numpy as np
-from langchain.embeddings import HuggingFaceEmbeddings
-from langchain.vectorstores import Chroma
-from langchain.document_loaders import UnstructuredPDFLoader
+from langchain_community.embeddings import HuggingFaceEmbeddings
+from langchain_community.vectorstores import Chroma
+from langchain_community.document_loaders import UnstructuredPDFLoader
 from langchain.text_splitter import CharacterTextSplitter
 from langchain.chains.qa_with_sources import load_qa_with_sources_from_chain_type
 from langchain.schema import Document
@@ -20,9 +20,10 @@ from tqdm import tqdm
 import torch
 import logging
 
-# Replace the old Chroma import with HuggingFaceEmbeddings
+# Update the embedding function creation
 embedding_function = HuggingFaceEmbeddings()
 
+# ... rest of your code ...
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)