fix RAG app

rag_pipeline.py

@@ -1,6 +1,6 @@
 from transformers import pipeline, AutoTokenizer, AutoModelForSeq2SeqLM
 from sentence_transformers import SentenceTransformer
-from langchain.text_splitter import RecursiveCharacterTextSplitter
+from langchain_text_splitters import RecursiveCharacterTextSplitter
 import faiss
 import numpy as np
 import torch

requirements.txt

@@ -3,6 +3,7 @@ transformers>=4.35.0
 sentence-transformers>=2.2.0
 faiss-cpu>=1.7.4
 langchain>=0.1.0
+langchain-text-splitters>=0.0.1
 langchain-community>=0.0.10
 pypdf>=3.0.0
 torch>=2.0.0