diff --git a/rag/init.py b/rag/init.py
index c521412..7d97cfb 100644
--- a/rag/init.py
+++ b/rag/init.py
@@ -155,5 +155,5 @@ def load_rag():
     env.list_user_files = list_user_files
     env.list_all_knowledge_bases = list_all_knowledge_bases
     env.docs = docs
-	env.RagFileMgr = RagFileMgr
+    env.RagFileMgr = RagFileMgr