Python 3 compatibility

test/msvs/config_attrs/gyptest-config_attrs.py

 #!/usr/bin/env python
 
 # 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.
 
 """
 Verifies that msvs_configuration_attributes and
 msbuild_configuration_attributes are applied by using
 them to set the OutputDirectory.
 """
 
+from __future__ import print_function
+
 import TestGyp
 import os
 
 import sys
 
 if sys.platform == 'win32':
-  print "This test is currently disabled: https://crbug.com/483696."
+  print("This test is currently disabled: https://crbug.com/483696.")
   sys.exit(0)
 
 
 
 test = TestGyp.TestGyp(workdir='workarea_all',formats=['msvs'])
 
 vc_version = 'VC90'
 
 if os.getenv('GYP_MSVS_VERSION'):
   vc_version = ['VC90','VC100'][int(os.getenv('GYP_MSVS_VERSION')) >= 2010]
 
 expected_exe_file = os.path.join(test.workdir, vc_version, 'hello.exe')
 
 test.run_gyp('hello.gyp')
 
 test.build('hello.gyp')
 
 test.must_exist(expected_exe_file)
 
 test.pass_test()