diff --git a/qlib/__init__.py b/qlib/__init__.py
index 73d985d04..e84e48ce8 100644
--- a/qlib/__init__.py
+++ b/qlib/__init__.py
@@ -4,6 +4,7 @@
 
 __version__ = "0.6.0"
 
+
 import os
 import re
 import sys
diff --git a/setup.py b/setup.py
index b7a37e028..0cb23f771 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,5 @@
 # Copyright (c) Microsoft Corporation.
 # Licensed under the MIT License.
-
-# -*- coding: utf-8 -*-
 import io
 import os
 import numpy
@@ -12,6 +10,7 @@ from setuptools import find_packages, setup, Extension
 NAME = "pyqlib"
 DESCRIPTION = "A Quantitative-research Platform"
 REQUIRES_PYTHON = ">=3.5.0"
+
 VERSION = "0.6.0"
 
 # Detect Cython