Update app.py

app.py

@@ -86,7 +86,7 @@ def split_document_with_metadata(document):
     return [Document(page_content=chunk, metadata=document.metadata) for chunk in chunks]
 
 all_splits = []
-for doc in all_documents:
+for doc in data:
     all_splits.extend(split_document_with_metadata(doc))
 # -------------------------------
 # Set Up Retrievers