Merged revisions 83531 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r83531 | georg.brandl | 2010-08-02 19:24:49 +0200 (Mo, 02 Aug 2010) | 1 line

  #7372: fix regression in pstats: a previous fix to handle cProfile data in add_callers broke handling of profile data.
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diff --git a/Lib/pstats.py b/Lib/pstats.py
index a61e93d..d856245 100644
--- a/Lib/pstats.py
+++ b/Lib/pstats.py
@@ -521,8 +521,13 @@
         new_callers[func] = caller
     for func, caller in source.items():
         if func in new_callers:
-            new_callers[func] = tuple([i[0] + i[1] for i in
-                                       zip(caller, new_callers[func])])
+            if isinstance(caller, tuple):
+                # format used by cProfile
+                new_callers[func] = tuple([i[0] + i[1] for i in
+                                           zip(caller, new_callers[func])])
+            else:
+                # format used by profile
+                new_callers[func] += caller
         else:
             new_callers[func] = caller
     return new_callers