diff --git a/virttest/asset.py b/virttest/asset.py
index 8610df1584..9f00ba3cde 100644
--- a/virttest/asset.py
+++ b/virttest/asset.py
@@ -5,14 +5,11 @@
 import re
 import shutil
 
-from avocado.utils import astring, crypto, download, genio, git, process
-
-from virttest import data_dir
-
-from six import string_types
+from six import StringIO, string_types
 from six.moves import urllib
 
-from six import StringIO
+from avocado.utils import astring, crypto, download, genio, git, process
+from virttest import data_dir
 
 LOG = logging.getLogger("avocado." + __name__)
 
diff --git a/virttest/utils_config.py b/virttest/utils_config.py
index 662f14f1de..a476c13da4 100644
--- a/virttest/utils_config.py
+++ b/virttest/utils_config.py
@@ -1,13 +1,12 @@
 import ast
 import configparser
-
-from avocado.utils import distro
-
 import logging
 import os.path
 
 from six import StringIO
 
+from avocado.utils import distro
+
 LOG = logging.getLogger("avocado." + __name__)