diff --git a/tests/integration/test_aggregator.py b/tests/integration/test_aggregator.py
index 3f64fa3..2186c35 100644
--- a/tests/integration/test_aggregator.py
+++ b/tests/integration/test_aggregator.py
@@ -1,12 +1,12 @@
 """Test aggregation of config files and command-line options."""
 import os
 
-import pytest
-
 from flake8.main import cli
 from flake8.options import aggregator
 from flake8.options import manager
 
+import pytest
+
 CLI_SPECIFIED_CONFIG = 'tests/fixtures/config_files/cli-specified.ini'
 
 
diff --git a/tests/unit/test_config_file_finder.py b/tests/unit/test_config_file_finder.py
index 6ac1d16..58009f7 100644
--- a/tests/unit/test_config_file_finder.py
+++ b/tests/unit/test_config_file_finder.py
@@ -7,11 +7,12 @@ except ImportError:
 import os
 import sys
 
-import mock
-import pytest
-
 from flake8.options import config
 
+import mock
+
+import pytest
+
 CLI_SPECIFIED_FILEPATH = 'tests/fixtures/config_files/cli-specified.ini'
 
 
diff --git a/tests/unit/test_merged_config_parser.py b/tests/unit/test_merged_config_parser.py
index 2c4c5fd..c64cae6 100644
--- a/tests/unit/test_merged_config_parser.py
+++ b/tests/unit/test_merged_config_parser.py
@@ -1,12 +1,13 @@
 """Unit tests for flake8.options.config.MergedConfigParser."""
 import os
 
-import mock
-import pytest
-
 from flake8.options import config
 from flake8.options import manager
 
+import mock
+
+import pytest
+
 
 @pytest.fixture
 def optmanager():
diff --git a/tests/unit/test_notifier.py b/tests/unit/test_notifier.py
index 6a162cf..8c001da 100644
--- a/tests/unit/test_notifier.py
+++ b/tests/unit/test_notifier.py
@@ -1,8 +1,8 @@
 """Unit tests for the Notifier object."""
-import pytest
-
 from flake8.plugins import notifier
 
+import pytest
+
 
 class _Listener(object):
     def __init__(self, error_code):
diff --git a/tests/unit/test_option.py b/tests/unit/test_option.py
index 67e2255..45f9be7 100644
--- a/tests/unit/test_option.py
+++ b/tests/unit/test_option.py
@@ -1,9 +1,10 @@
 """Unit tests for flake8.options.manager.Option."""
-import mock
-import pytest
-
 from flake8.options import manager
 
+import mock
+
+import pytest
+
 
 def test_to_optparse():
     """Test conversion to an optparse.Option class."""
diff --git a/tests/unit/test_option_manager.py b/tests/unit/test_option_manager.py
index 99c5d18..1ba5442 100644
--- a/tests/unit/test_option_manager.py
+++ b/tests/unit/test_option_manager.py
@@ -2,10 +2,10 @@
 import optparse
 import os
 
-import pytest
-
 from flake8.options import manager
 
+import pytest
+
 TEST_VERSION = '3.0.0b1'
 
 
diff --git a/tests/unit/test_plugin.py b/tests/unit/test_plugin.py
index 01454a1..0f6eec1 100644
--- a/tests/unit/test_plugin.py
+++ b/tests/unit/test_plugin.py
@@ -1,10 +1,11 @@
 """Tests for flake8.plugins.manager.Plugin."""
-import mock
-import pytest
-
 from flake8 import exceptions
 from flake8.plugins import manager
 
+import mock
+
+import pytest
+
 
 def test_load_plugin_fallsback_on_old_setuptools():
     """Verify we fallback gracefully to on old versions of setuptools."""
diff --git a/tests/unit/test_plugin_manager.py b/tests/unit/test_plugin_manager.py
index 8991b96..5a50386 100644
--- a/tests/unit/test_plugin_manager.py
+++ b/tests/unit/test_plugin_manager.py
@@ -1,8 +1,8 @@
 """Tests for flake8.plugins.manager.PluginManager."""
-import mock
-
 from flake8.plugins import manager
 
+import mock
+
 
 def create_entry_point_mock(name):
     """Create a mocked EntryPoint."""
diff --git a/tests/unit/test_plugin_type_manager.py b/tests/unit/test_plugin_type_manager.py
index f64e472..271ebc0 100644
--- a/tests/unit/test_plugin_type_manager.py
+++ b/tests/unit/test_plugin_type_manager.py
@@ -1,12 +1,13 @@
 """Tests for flake8.plugins.manager.PluginTypeManager."""
 import collections
 
-import mock
-import pytest
-
 from flake8 import exceptions
 from flake8.plugins import manager
 
+import mock
+
+import pytest
+
 TEST_NAMESPACE = "testing.plugin-type-manager"
 
 
diff --git a/tests/unit/test_style_guide.py b/tests/unit/test_style_guide.py
index 03bb341..973281b 100644
--- a/tests/unit/test_style_guide.py
+++ b/tests/unit/test_style_guide.py
@@ -1,11 +1,12 @@
 """Tests for the flake8.style_guide.StyleGuide class."""
 import optparse
 
+from flake8 import style_guide
 from flake8.formatting import base
 from flake8.plugins import notifier
-from flake8 import style_guide
 
 import mock
+
 import pytest
 
 
diff --git a/tests/unit/test_utils.py b/tests/unit/test_utils.py
index 28b8e02..d69d939 100644
--- a/tests/unit/test_utils.py
+++ b/tests/unit/test_utils.py
@@ -1,12 +1,13 @@
 """Tests for flake8's utils module."""
 import os
+
+from flake8 import utils
+from flake8.plugins import manager as plugin_manager
+
 import mock
 
 import pytest
 
-from flake8.plugins import manager as plugin_manager
-from flake8 import utils
-
 
 RELATIVE_PATHS = ["flake8", "pep8", "pyflakes", "mccabe"]