Update app.py

app.py

@@ -93,7 +93,7 @@ def langchain_document_loader():
     documents.extend(doc_loader.load())
     return documents
 
-
+langchain_document_loader()
 
 text_splitter = RecursiveCharacterTextSplitter(
     separators = ["\n\n", "\n", " ", ""],    
@@ -102,7 +102,7 @@ text_splitter = RecursiveCharacterTextSplitter(
 )
 
 # Text splitting
-chunks = text_splitter.split_documents(documents=rag_document)
+chunks = text_splitter.split_documents(documents=documents)