Fix double decref.

diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c
index 1066702f1a9e5ebf5cdf833ee0d8b1aa60dc6b53..e0da0114cfad2f0703229145237d3fbadc64b793 100644 (file)
--- a/Modules/mathmodule.c
+++ b/Modules/mathmodule.c
@@ -559,7 +559,6 @@ math_factorial(PyObject *self, PyObject *arg)
 
 error:
        Py_DECREF(result);
-       Py_XDECREF(iobj);
        return NULL;
 }