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-rw-r--r--Python/bltinmodule.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 0309f1de..718b603 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -1840,7 +1840,7 @@ builtin_sum(PyObject *self, PyObject *args)
}
break;
}
- temp = PyNumber_Add(result, item);
+ temp = PyNumber_InPlaceAdd(result, item);
Py_DECREF(result);
Py_DECREF(item);
result = temp;