Run auto-formatter (autopep8) on webkitpy.

third_party/WebKit/Tools/Scripts/webkitpy/common/system/filesystem_mock_unittest.py

 # Copyright (C) 2011 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #    * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #    * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 18 matching lines @@
 import os
 import re
 import unittest
 
 
 from webkitpy.common.system import filesystem_mock
 from webkitpy.common.system import filesystem_unittest
 
 
 class MockFileSystemTest(unittest.TestCase, filesystem_unittest.GenericFileSystemTests):
+
     def setUp(self):
         self.fs = filesystem_mock.MockFileSystem()
         self.setup_generic_test_dir()
 
     def tearDown(self):
         self.teardown_generic_test_dir()
         self.fs = None
 
     def quick_check(self, test_fn, good_fn, *tests):
         for test in tests:
@@ skipping 29 matching lines @@
                          'foo/',
                          'foo/.',
                          'foo/bar',
                          '/foo',
                          'foo/../bar',
                          'foo/../bar/baz',
                          '../foo')
 
     def test_relpath_win32(self):
         pass