[3.6] bpo-30567: Fix refleak in sys.getwindowsversion (GH-1940) (#1970)

(cherry picked from commit 48fb766)

diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 99e6b5ea018ea1e798f3e1badbd5b761c71b0187..b09268b0e538543dd89a6011592d5e31a2fa7db2 100644 (file)
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -985,10 +985,10 @@ sys_getwindowsversion(PyObject *self)
         }
         PyMem_RawFree(verblock);
     }
-    PyStructSequence_SET_ITEM(version, pos++, PyTuple_Pack(3,
-        PyLong_FromLong(realMajor),
-        PyLong_FromLong(realMinor),
-        PyLong_FromLong(realBuild)
+    PyStructSequence_SET_ITEM(version, pos++, Py_BuildValue("(kkk)",
+        realMajor,
+        realMinor,
+        realBuild
     ));
 
     if (PyErr_Occurred()) {