Update rag.py

rag.py

@@ -2,7 +2,7 @@ import os
 import glob
 from dotenv import load_dotenv
 from langchain_community.document_loaders import PyPDFLoader, TextLoader
-from langchain.text_splitter import RecursiveCharacterTextSplitter
+from langchain_text_splitters import RecursiveCharacterTextSplitter
 from langchain_community.vectorstores import FAISS
 from langchain.chains import RetrievalQA
 from langchain.prompts import PromptTemplate