Run auto-formatter (autopep8) on webkitpy.

third_party/WebKit/Tools/Scripts/webkitpy/tool/bot/commitannouncer.py

 # Copyright (C) 2013 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 169 matching lines @@
         return ('%s %s committed "%s" %s' % (url, email, subject, red_flag_message)).strip()
 
     def _post(self, message):
         self.connection.execute_delayed(0, lambda: self.connection.privmsg(channel, self._sanitize_string(message)))
 
     def _sanitize_string(self, message):
         return message.encode('ascii', 'backslashreplace')
 
 
 class CommitAnnouncerThread(threading.Thread):
+
     def __init__(self, tool, announce_path, irc_password):
         threading.Thread.__init__(self)
         self.bot = CommitAnnouncer(tool, announce_path, irc_password)
 
     def run(self):
         self.bot.start()
 
     def stop(self):
         self.bot.stop()
         self.join()