diff --git a/scrapy/utils/misc.py b/scrapy/utils/misc.py
index b2164d4a8..f638adb25 100644
--- a/scrapy/utils/misc.py
+++ b/scrapy/utils/misc.py
@@ -12,6 +12,7 @@ from w3lib.html import replace_entities
 from scrapy.utils.python import flatten, to_unicode
 from scrapy.item import BaseItem
 
+
 _ITERABLE_SINGLE_VALUES = dict, BaseItem, six.text_type, bytes
 
 
diff --git a/tests/test_utils_misc/__init__.py b/tests/test_utils_misc/__init__.py
index eeb995e48..e109d5343 100644
--- a/tests/test_utils_misc/__init__.py
+++ b/tests/test_utils_misc/__init__.py
@@ -3,12 +3,13 @@ import os
 import unittest
 
 from scrapy.item import Item, Field
-from scrapy.utils.misc import arg_to_iter, create_instance, load_object, walk_modules, set_environ
+from scrapy.utils.misc import arg_to_iter, create_instance, load_object, set_environ, walk_modules
 
 from tests import mock
 
 __doctests__ = ['scrapy.utils.misc']
 
+
 class UtilsMiscTestCase(unittest.TestCase):
 
     def test_load_object(self):