Update dependencies and imports for langchain-community

rag_engine.py

@@ -1,8 +1,8 @@
 from typing import List, Dict, Any
 import numpy as np
-from langchain.vectorstores import FAISS
+from langchain_community.vectorstores import FAISS
 from langchain.text_splitter import RecursiveCharacterTextSplitter
-from langchain.embeddings import HuggingFaceEmbeddings
+from langchain_community.embeddings import HuggingFaceEmbeddings
 from search_engine import WebSearchEngine
 import logging
 

requirements.txt

@@ -6,9 +6,11 @@ transformers>=4.36.0
 torch>=2.2.0+cpu
 duckduckgo-search>=4.4.3
 langchain>=0.1.0
+langchain-community>=0.0.10
 sentence-transformers>=2.5.1
 numpy>=1.26.0
 tqdm>=4.66.0
 lxml>=5.1.0
 protobuf>=4.25.2
 accelerate>=0.26.1
+faiss-cpu>=1.7.4