Reverting last commit. I had some staled data from an attempted svnmerge in my local sandbox
diff --git a/Lib/test/exception_hierarchy.txt b/Lib/test/exception_hierarchy.txt
index 73ccb66..965252c 100644
--- a/Lib/test/exception_hierarchy.txt
+++ b/Lib/test/exception_hierarchy.txt
@@ -1,8 +1,8 @@
 BaseException
  +-- SystemExit
  +-- KeyboardInterrupt
- +-- GeneratorExit
  +-- Exception
+      +-- GeneratorExit
       +-- StopIteration
       +-- ArithmeticError
       |    +-- FloatingPointError