Run auto-formatter (autopep8) on webkitpy.

third_party/WebKit/Tools/Scripts/webkitpy/tool/commands/abstractsequencedcommand.py

 # Copyright (C) 2010 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 19 matching lines @@
 
 from webkitpy.common.system.executive import ScriptError
 from webkitpy.tool.commands.stepsequence import StepSequence
 from webkitpy.tool.multicommandtool import AbstractDeclarativeCommand
 
 _log = logging.getLogger(__name__)
 
 
 class AbstractSequencedCommand(AbstractDeclarativeCommand):
     steps = None
+
     def __init__(self):
         self._sequence = StepSequence(self.steps)
         AbstractDeclarativeCommand.__init__(self, self._sequence.options())
 
     def _prepare_state(self, options, args, tool):
         return None
 
     def execute(self, options, args, tool):
         try:
             state = self._prepare_state(options, args, tool)
         except ScriptError, e:
             _log.error(e.message_with_output())
             self._exit(e.exit_code or 2)
 
         self._sequence.run_and_handle_errors(tool, options, state)