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-rw-r--r--Python/sysmodule.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 665d17c..b3bb919 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -289,6 +289,10 @@ _PySys_Init()
PyDict_SetItemString(sysdict, "stdin", sysin);
PyDict_SetItemString(sysdict, "stdout", sysout);
PyDict_SetItemString(sysdict, "stderr", syserr);
+ /* Make backup copies for cleanup */
+ PyDict_SetItemString(sysdict, "__stdin__", sysin);
+ PyDict_SetItemString(sysdict, "__stdout__", sysout);
+ PyDict_SetItemString(sysdict, "__stderr__", syserr);
Py_XDECREF(sysin);
Py_XDECREF(sysout);
Py_XDECREF(syserr);