diff --git a/swan/__init__.py b/swan/__init__.py
index dc1a0207..e7e9d55e 100644
--- a/swan/__init__.py
+++ b/swan/__init__.py
@@ -1 +1 @@
-# ./swan/__init__.py
\ No newline at end of file
+# ./swan/__init__.py
diff --git a/swan/api_client.py b/swan/api_client.py
index 6604dbcd..6a1bc6ee 100644
--- a/swan/api_client.py
+++ b/swan/api_client.py
@@ -4,9 +4,7 @@
 import json
 import logging
 
-from swan.common.constant import (
-    GET, PUT, POST, DELETE
-)
+from swan.common.constant import GET, PUT, POST, DELETE
 from swan.common import utils