Update libraries

app.py

@@ -3,11 +3,11 @@ from urllib.parse import urlparse, parse_qs
 import pandas as pd
 import unicodedata as uni
 import emoji
-from langchain.chat_models import ChatOpenAI
-from langchain.embeddings import HuggingFaceEmbeddings
-from langchain.document_loaders import DataFrameLoader
+from langchain_community.chat_models import ChatOpenAI
+from langchain_community.embeddings import HuggingFaceEmbeddings
+from langchain_community.document_loaders import DataFrameLoader
 from langchain.text_splitter import RecursiveCharacterTextSplitter
-from langchain.vectorstores import FAISS
+from langchain_community.vectorstores import FAISS
 from langchain.chains import RetrievalQA
 from tokopedia import request_product_id, request_product_review
 import gradio as gr