diff -up Python-2.7/Python/pythonrun.c.less-verbose-COUNT_ALLOCS Python-2.7/Python/pythonrun.c

--- Python-2.7/Python/pythonrun.c.less-verbose-COUNT_ALLOCS	2010-08-17 14:49:33.321913909 -0400

+++ Python-2.7/Python/pythonrun.c	2010-08-17 14:54:48.750910403 -0400

@@ -470,7 +470,15 @@ Py_Finalize(void)

     /* Debugging stuff */

 #ifdef COUNT_ALLOCS

-    dump_counts(stdout);

+    /* This is a downstream Fedora modification.

+       The upstream default with COUNT_ALLOCS is to always dump the counts to

+       stdout on exit.  For our debug builds its useful to have the info from

+       COUNT_ALLOCS available, but the stdout info here gets in the way, so

+       we make it optional, wrapping it in an environment variable (modelled

+       on the other PYTHONDUMP* env variables):

+    */

+    if (Py_GETENV("PYTHONDUMPCOUNTS"))

+        dump_counts(stdout);

 #endif

     /* dump hash stats */

     _PyHash_Fini();