| Index: testing_support/super_mox.py
 | 
| diff --git a/testing_support/super_mox.py b/testing_support/super_mox.py
 | 
| index 433c675bf2fcaa25ea1480a068d8fb3ab180823d..18d8219c11e9fd9c492d5145fce621f7873692df 100644
 | 
| --- a/testing_support/super_mox.py
 | 
| +++ b/testing_support/super_mox.py
 | 
| @@ -98,7 +98,8 @@ class StdoutCheck(object):
 | 
|      try:
 | 
|        # If sys.stdout was used, self.checkstdout() must be called.
 | 
|        # pylint: disable=E1101
 | 
| -      self.assertEquals('', sys.stdout.getvalue())
 | 
| +      if not sys.stdout.closed:
 | 
| +        self.assertEquals('', sys.stdout.getvalue())
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|      except AttributeError:
 | 
|        pass
 | 
|      sys.stdout = self._old_stdout
 | 
| 
 |