Style nit.

tools/isolate/trace_inputs_test.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import logging
 import os
 import unittest
 import sys
 
@@ skipping 32 matching lines @@
     test_cases = (
       ('foo\\0', ['foo']),
       ('foo\\001bar\\0', ['foo', 'bar']),
       ('\\"foo\\"\\0', ['"foo"']),
     )
     for actual, expected in test_cases:
       self.assertEquals(
           expected,
           trace_inputs.Dtrace.Context.process_escaped_arguments(actual))
 
-
   def test_variable_abs(self):
     value = trace_inputs.Results.File(None, '/foo/bar', False, False)
     actual = value.replace_variables({'$FOO': '/foo'})
     self.assertEquals('$FOO/bar', actual.path)
     self.assertEquals('$FOO/bar', actual.full_path)
     self.assertEquals(True, actual.tainted)
 
   def test_variable_rel(self):
     value = trace_inputs.Results.File('/usr', 'foo/bar', False, False)
     actual = value.replace_variables({'$FOO': 'foo'})
@@ skipping 354 matching lines @@
           'size': -1,
         },
       ]
       self._test_lines(lines, '/home/foo_bar_user/src', files)
 
 
 if __name__ == '__main__':
   VERBOSE = '-v' in sys.argv
   logging.basicConfig(level=logging.DEBUG if VERBOSE else logging.ERROR)
   unittest.main()