Update app.py

app.py

@@ -9,9 +9,9 @@ from langchain_community.vectorstores import FAISS
 from langchain_community.document_loaders import PyPDFLoader
 from langchain_core.output_parsers import StrOutputParser
 from langchain_community.embeddings import HuggingFaceEmbeddings
+from langchain_text_splitters import RecursiveCharacterTextSplitter
 from langchain_community.llms import HuggingFaceHub
 from langchain_core.runnables import RunnableParallel, RunnablePassthrough
-from langchain_core.text_splitters import RecursiveCharacterTextSplitter
 from langchain_core.document import Document
 huggingface_token = os.environ.get("HUGGINGFACE_TOKEN")
 def load_and_split_document_basic(file):