Silence pylint on Mac OSX 10.6

commit_queue.py

 #!/usr/bin/env python
 # Copyright (c) 2011 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.
 
 """Access the commit queue from the command line.
 """
 
 __version__ = '0.1'
 
@@ skipping 92 matching lines @@
 ## Boilerplate code
 
 
 def gen_parser():
   """Returns an OptionParser instance with default options.
 
   It should be then processed with gen_usage() before being used.
   """
   parser = optparse.OptionParser(version=__version__)
   # Remove description formatting
-  parser.format_description = lambda x: parser.description
+  parser.format_description = (
+      lambda _: parser.description)  # pylint: disable=E1101
   # Add common parsing.
   old_parser_args = parser.parse_args
 
   def Parse(*args, **kwargs):
     options, args = old_parser_args(*args, **kwargs)
     logging.basicConfig(
         level=[logging.WARNING, logging.INFO, logging.DEBUG][
             min(2, options.verbose)],
         format='%(levelname)s %(filename)s(%(lineno)d): %(message)s')
     return options, args
@@ skipping 54 matching lines @@
       return command(parser, args[1:])
 
   # Not a known command. Default to help.
   gen_usage(parser, 'help')
   return CMDhelp(parser, args)
 
 
 if __name__ == "__main__":
   fix_encoding.fix_encoding()
   sys.exit(main())