imports corrected

app.py

@@ -1,13 +1,12 @@
 import streamlit as st
 
-from langchain_text_splitters import Language
-from langchain.text_splitter import RecursiveCharacterTextSplitter
-from langchain.embeddings import HuggingFaceEmbeddings
-from langchain.vectorstores import FAISS
+from langchain_text_splitters import Language, RecursiveCharacterTextSplitter
+from langchain_community.embeddings import HuggingFaceEmbeddings
+from langchain_community.vectorstores import FAISS
+from langchain_community import HuggingFacePipeline
 from langchain.memory import ConversationBufferMemory
 from langchain.chains import ConversationalRetrievalChain
 from transformers import pipeline
-from langchain import HuggingFacePipeline
 from transformers import AutoTokenizer, AutoModelForCausalLM, pipeline
 import torch
 

requirements.txt

@@ -4,8 +4,6 @@ langchain-community
 python-dotenv
 faiss-cpu
 huggingface-hub
-accelerate 
-bitsandbytes
 torch
 langchain-text-splitters
 sentence_transformers