Merged revisions 79263 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r79263 | michael.foord | 2010-03-21 19:06:30 -0500 (Sun, 21 Mar 2010) | 1 line

  Issue 7815. __unittest in module globals trims frames from reported stacktraces in unittest.
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diff --git a/Lib/unittest/case.py b/Lib/unittest/case.py
index 0d224d8..ac5d1ec 100644
--- a/Lib/unittest/case.py
+++ b/Lib/unittest/case.py
@@ -11,6 +11,8 @@
 from .util import (strclass, safe_repr, sorted_list_difference,
                    unorderable_list_difference)
 
+__unittest = True
+
 
 class SkipTest(Exception):
     """