@@ -2694,6 +2694,8 @@ builtin_sum_impl(PyObject *module, PyObject *iterable, PyObject *start)
                     continue;
                 }
                 else {
+                    Py_DECREF(item);
+                    Py_DECREF(iter);
                     return NULL;
                 }
             }
@@ -2745,6 +2747,8 @@ builtin_sum_impl(PyObject *module, PyObject *iterable, PyObject *start)
                     continue;
                 }
                 else {
+                    Py_DECREF(item);
+                    Py_DECREF(iter);
                     return NULL;
                 }
             }
Original file line number	Diff line number	Diff line change
`@@ -2694,6 +2694,8 @@ builtin_sum_impl(PyObject module, PyObject iterable, PyObject *start)`
`2694`	`2694`	`continue;`
`2695`	`2695`	`}`
`2696`	`2696`	`else {`
	`2697`	`+ Py_DECREF(item);`
	`2698`	`+ Py_DECREF(iter);`
`2697`	`2699`	`return NULL;`
`2698`	`2700`	`}`
`2699`	`2701`	`}`
`@@ -2745,6 +2747,8 @@ builtin_sum_impl(PyObject module, PyObject iterable, PyObject *start)`
`2745`	`2747`	`continue;`
`2746`	`2748`	`}`
`2747`	`2749`	`else {`
	`2750`	`+ Py_DECREF(item);`
	`2751`	`+ Py_DECREF(iter);`
`2748`	`2752`	`return NULL;`
`2749`	`2753`	`}`
`2750`	`2754`	`}`