diff --git a/dagflow/init.py b/dagflow/init.py
index 582bbc8..7197557 100644
--- a/dagflow/init.py
+++ b/dagflow/init.py
@@ -7,7 +7,7 @@ from .dagflow import (
 	FlowEngine, 
 	get_org_flow_definition
 	add_new_workflow
-}
+)
 
 async def dagbacktask(engines, app):
 	tasks = []