fix

app.py

@@ -1,5 +1,6 @@
 import gradio as gr
 
+from uuid import uuid4
 from huggingface_hub import snapshot_download
 from langchain.document_loaders import (
     CSVLoader,
@@ -73,6 +74,9 @@ chunk_size = 300
 
 embeddings = HuggingFaceEmbeddings(model_name="sentence-transformers/paraphrase-multilingual-mpnet-base-v2")
 
+def get_uuid():
+    return str(uuid4())
+
 
 def load_single_document(file_path: str) -> Document:
     ext = "." + file_path.rsplit(".", 1)[-1]