Update app.py

app.py

@@ -1,9 +1,9 @@
 # app.py
 from langchain_groq import ChatGroq
-from langchain.vectorstores import Chroma
-from langchain.document_loaders import PyPDFLoader, DirectoryLoader
+from langchain_community.vectorstores import Chroma
+from langchain_community.document_loaders import PyPDFLoader, DirectoryLoader
+from langchain_community.embeddings import HuggingFaceBgeEmbeddings
 from langchain.text_splitter import RecursiveCharacterTextSplitter
-from langchain.embeddings import HuggingFaceBgeEmbeddings
 from transformers import pipeline
 import gradio as gr
 import os