Update app.py

app.py

@@ -4,7 +4,7 @@ import os
 from transformers import AutoTokenizer, BitsAndBytesConfig, AutoModelForCausalLM
 from huggingface_hub import login
 from langchain_text_splitters import RecursiveCharacterTextSplitter
-from langchain.embeddings import SentenceTransformerEmbeddings
+from langchain_community.embeddings import SentenceTransformerEmbeddings
 from langchain.vectorstores import FAISS
 from langchain.chains import RetrievalQA
 from langchain.prompts import PromptTemplate