Update app.py

app.py

@@ -1,11 +1,11 @@
 import os
 import gradio as gr
 from langchain_community.vectorstores import FAISS
-from langchain.embeddings import HuggingFaceEmbeddings
-from langchain.document_loaders import PyPDFLoader
+from langchain_community.embeddings import HuggingFaceEmbeddings
+from langchain_community.document_loaders import PyPDFLoader
+from langchain_community.chat_models import ChatGroq
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain.chains import RetrievalQA
-from langchain.chat_models import ChatGroq
 from tempfile import NamedTemporaryFile
 
 # Load Groq API Key securely (for Hugging Face secrets)