Fixing pylint.

tools/pretty_sln.py

 #!/usr/bin/env python
 
-# Copyright (c) 2009 Google Inc. All rights reserved.
+# Copyright (c) 2012 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Prints the information in a sln file in a diffable way.
 
    It first outputs each projects in alphabetical order with their
    dependencies.
 
    Then it outputs a possible build order.
 """
@@ skipping 100 matching lines @@
 
   print "--                                   --"
 
 def PrintBuildOrder(projects, deps):
   print "---------------------------------------"
   print "Build order                            "
   print "---------------------------------------"
   print "--                                   --"
 
   built = []
-  for (project, dep_list) in sorted(deps.items()):
+  for (project, _) in sorted(deps.items()):
     if project not in built:
       BuildProject(project, built, projects, deps)
 
   print "--                                   --"
 
 def PrintVCProj(projects):
 
   for project in projects:
     print "-------------------------------------"
     print "-------------------------------------"
@@ skipping 24 matching lines @@
   PrintDependencies(projects, deps)
   PrintBuildOrder(projects, deps)
 
   if '--recursive' in sys.argv:
     PrintVCProj(projects)
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main())