diff --git a/rediscluster/__init__.py b/rediscluster/__init__.py
index 073c537..c24f54b 100644
--- a/rediscluster/__init__.py
+++ b/rediscluster/__init__.py
@@ -1,4 +1,3 @@
-from rediscluster.cluster_client import StrictRedisCluster
 from redis.exceptions import (
     AuthenticationError,
     ConnectionError,
@@ -10,6 +9,8 @@
     WatchError,
 )
 
+from rediscluster.cluster_client import StrictRedisCluster
+
 __version__ = '0.2.6'
 VERSION = tuple(map(int, __version__.split('.')))
 
diff --git a/rediscluster/cluster_client.py b/rediscluster/cluster_client.py
index c460373..5308036 100644
--- a/rediscluster/cluster_client.py
+++ b/rediscluster/cluster_client.py
@@ -1,6 +1,7 @@
 # -*- coding: UTF-8 -*-
-import redis
 import binascii
+
+import redis
 from redis._compat import (b, iteritems, dictvalues)
 
 
diff --git a/run_tests b/run_tests
index 9e416f0..fad57ae 100755
--- a/run_tests
+++ b/run_tests
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
 import unittest
+
 from tests import all_tests
 
 if __name__ == "__main__":
diff --git a/tests/__init__.py b/tests/__init__.py
index 96cbea0..95d2f10 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,4 +1,5 @@
 import unittest
+
 from tests.cluster_commands import ClusterCommandsTestCase