Merged revisions 55328-55341 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/p3yk

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  r55329 | brett.cannon | 2007-05-14 16:36:56 -0700 (Mon, 14 May 2007) | 3 lines

  Implement the removal of tuple parameter unpacking (PEP 3113).
  Thanks, Tony Lownds for the patch.
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  r55331 | neal.norwitz | 2007-05-14 16:40:30 -0700 (Mon, 14 May 2007) | 1 line

  Update to use Python 3.0
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  r55332 | brett.cannon | 2007-05-14 16:47:18 -0700 (Mon, 14 May 2007) | 2 lines

  Mention PEP 3113.  And thanks to Tony Lownds for the PEP 3113 patch.
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  r55333 | neal.norwitz | 2007-05-14 16:57:06 -0700 (Mon, 14 May 2007) | 1 line

  Fix exception printing (no more exceptions module)
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  r55334 | neal.norwitz | 2007-05-14 17:11:10 -0700 (Mon, 14 May 2007) | 1 line

  Remove popen* functions from os
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  r55335 | neal.norwitz | 2007-05-14 18:03:38 -0700 (Mon, 14 May 2007) | 1 line

  Get rid of most of popen.  There are still some uses I need to cleanup.
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  r55336 | neal.norwitz | 2007-05-14 21:11:34 -0700 (Mon, 14 May 2007) | 1 line

  Remove a few more remnants of the compiler package
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  r55337 | neal.norwitz | 2007-05-14 22:28:27 -0700 (Mon, 14 May 2007) | 1 line

  Get test_[cx]pickle working on 64-bit platforms (avoid overflow int/long)
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diff --git a/Lib/pdb.py b/Lib/pdb.py
index 3d06b0a..9538f3c 100755
--- a/Lib/pdb.py
+++ b/Lib/pdb.py
@@ -180,13 +180,12 @@
         print('--Return--', file=self.stdout)
         self.interaction(frame, None)
 
-    def user_exception(self, frame, (exc_type, exc_value, exc_traceback)):
+    def user_exception(self, frame, exc_info):
         """This function is called if an exception occurs,
         but only if we are to stop at or just below this level."""
+        exc_type, exc_value, exc_traceback = exc_info
         frame.f_locals['__exception__'] = exc_type, exc_value
-        if type(exc_type) == type(''):
-            exc_type_name = exc_type
-        else: exc_type_name = exc_type.__name__
+        exc_type_name = exc_type.__name__
         print(exc_type_name + ':', _saferepr(exc_value), file=self.stdout)
         self.interaction(frame, exc_traceback)