Update app.py

app.py

@@ -7,7 +7,7 @@ import gradio as gr
 from langchain.embeddings import HuggingFaceEmbeddings
 from langchain.vectorstores import FAISS
 from langchain_text_splitters import RecursiveCharacterTextSplitter
-from langchain.text_splitters import TokenTextSplitter
+from langchain_text_splitters import TokenTextSplitter
 from sentence_transformers import SentenceTransformer
 from transformers import AutoTokenizer
 from nltk import sent_tokenize