Update app.py

app.py

@@ -1,13 +1,9 @@
 from datasets import load_dataset
 from datasets import Dataset
 from langchain.docstore.document import Document as LangchainDocument
-from langchain.text_splitter import RecursiveCharacterTextSplitter
 from sentence_transformers import SentenceTransformer
-from langchain_community.embeddings import HuggingFaceEmbeddings
 import faiss
-from langchain.prompts import PromptTemplate
 import pandas as pd
-
 import time
 import torch