Update utills.py

utills.py

@@ -55,7 +55,7 @@ def load_txt_documents(data_path):
     return documents
 
 
-def split_docs(_documents, chunk_size, chunk_overlap):
+def split_docs(documents, chunk_size, chunk_overlap):
     try:
         text_splitter = RecursiveCharacterTextSplitter.from_tiktoken_encoder(
             chunk_size=chunk_size, chunk_overlap=chunk_overlap,