diff --git a/hoge/huga.py b/hoge/huga.py
index d9519d7..b21782c 100644
--- a/hoge/huga.py
+++ b/hoge/huga.py
@@ -1,4 +1,5 @@
 """sample"""
+
 from logging import getLogger
 
 logger = getLogger(__name__)
diff --git a/main.py b/main.py
index 96948cf..0c2fd40 100644
--- a/main.py
+++ b/main.py
@@ -1,4 +1,5 @@
 """main"""
+
 from logging import config
 
 from hoge.huga import Huga