Run format-webkit on webkitpy code (without string conversion).

third_party/WebKit/Tools/Scripts/webkitpy/style/filereader_unittest.py

 # Copyright (C) 2010 Chris Jerdonek (cjerdonek@webkit.org)
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 # 1.  Redistributions of source code must retain the above copyright
 #     notice, this list of conditions and the following disclaimer.
 # 2.  Redistributions in binary form must reproduce the above copyright
 #     notice, this list of conditions and the following disclaimer in the
 #     documentation and/or other materials provided with the distribution.
@@ skipping 61 matching lines @@
         return self._processor.processed
 
     def _assert_file_reader(self, passed_to_processor, file_count):
         """Assert the state of the file reader."""
         self.assertEqual(passed_to_processor, self._passed_to_processor())
         self.assertEqual(file_count, self._file_reader.file_count)
 
     def test_process_file__does_not_exist(self):
         try:
             self._file_reader.process_file('does_not_exist.txt')
-        except SystemExit, err:
+        except SystemExit as err:
             self.assertEqual(str(err), '1')
         else:
             self.fail('No Exception raised.')
         self._assert_file_reader([], 1)
         self.assertLog(["ERROR: File does not exist: 'does_not_exist.txt'\n"])
 
     def test_process_file__is_dir(self):
         temp_dir = self.filesystem.join(self._temp_dir, 'test_dir')
         self.filesystem.maybe_make_directory(temp_dir)
 
@@ skipping 52 matching lines @@
 
         self._file_reader.process_paths([dir, file_path1])
         processed = [(['bar'], file_path2, None),
                      (['foo'], file_path1, None)]
         self._assert_file_reader(processed, 2)
 
     def test_count_delete_only_file(self):
         self._file_reader.count_delete_only_file()
         delete_only_file_count = self._file_reader.delete_only_file_count
         self.assertEqual(delete_only_file_count, 1)