diff --git a/pytablewriter/writer/_elasticsearch.py b/pytablewriter/writer/_elasticsearch.py
index b8c76c8..b19b97e 100644
--- a/pytablewriter/writer/_elasticsearch.py
+++ b/pytablewriter/writer/_elasticsearch.py
@@ -2,7 +2,6 @@
 .. codeauthor:: Tsuyoshi Hombashi <tsuyoshi.hombashi@gmail.com>
 """
 
-
 import copy
 from typing import Any, Dict, Generator
 
diff --git a/setup.py b/setup.py
index 8577c62..2259bec 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,6 @@
 .. codeauthor:: Tsuyoshi Hombashi <tsuyoshi.hombashi@gmail.com>
 """
 
-
 import os.path
 from typing import Dict, Type