Update app.py

app.py

@@ -1,10 +1,8 @@
 import streamlit as st
-
 import getpass
 import os
 
 os.environ["OPENAI_API_KEY"] = st.secrets['OPENAI_API_KEY']  # agregada en la config de hugginface
-
 os.environ["LANGCHAIN_TRACING_V2"] = "true"
 os.environ["LANGCHAIN_API_KEY"] = st.secrets['OPENAI_API_KEY']
 
@@ -14,6 +12,10 @@ from langchain.chains.llm import LLMChain
 from langchain.chains.combine_documents.stuff import StuffDocumentsChain
 from langchain.chat_models import ChatOpenAI
 from langchain.chains import RetrievalQA
+from langchain.text_splitter import RecursiveCharacterTextSplitter
+from langchain_community.vectorstores import FAISS
+from langchain_community.document_loaders import HuggingFaceDatasetLoader
+from langchain_community.embeddings import HuggingFaceEmbeddings
 
 
 #Carga de DATASET