Update src/rag_engine.py

src/rag_engine.py

@@ -7,7 +7,7 @@ from typing import List, Literal, Tuple
 from langchain_chroma import Chroma
 from langchain_huggingface import HuggingFaceEmbeddings
 from langchain_core.documents import Document
-from langchain.text_splitter import MarkdownHeaderTextSplitter, RecursiveCharacterTextSplitter
+from langchain_text_splitters import MarkdownHeaderTextSplitter, RecursiveCharacterTextSplitter
 from sentence_transformers import CrossEncoder
 
 # --- CUSTOM CORE IMPORTS ---