Update app.py

app.py

@@ -1,11 +1,11 @@
 import os
 import gradio as gr
 from langchain_community.document_loaders import PyPDFDirectoryLoader
-from langchain.text_splitter import RecursiveCharacterTextSplitter
-from langchain.embeddings import HuggingFaceEmbeddings
-from langchain.vectorstores import FAISS
+from langchain_text_splitters import RecursiveCharacterTextSplitter
+from langchain_community.embeddings import HuggingFaceEmbeddings
+from langchain_community.vectorstores import FAISS
 from langchain.chains import RetrievalQA
-from langchain.llms import HuggingFaceHub
+from langchain_community.llms import HuggingFaceHub
 
 # --- PASSO 1: CARREGAR OS DOCUMENTOS ---
 # Carrega todos os arquivos .pdf da pasta 'data'