diff --git a/woa/init.py b/woa/init.py
index daca2cf..26e46c8 100644
--- a/woa/init.py
+++ b/woa/init.py
@@ -29,6 +29,7 @@ from pathlib import Path
 from .media import WeChatMediaManager
 from .reply import ReplyBuilder
 
+
 class WOAHandler:
 	def __init__(self):
 		self.app_id = os.environ.get('WOA_APPID')