diff -r cb4334ab8453 Objects/descrobject.c
--- a/Objects/descrobject.c	Sun Apr 26 15:56:23 2015 -0400
+++ b/Objects/descrobject.c	Sun Apr 26 20:39:38 2015 -0400
@@ -1372,6 +1372,8 @@
 static PyObject *
 property_descr_get(PyObject *self, PyObject *obj, PyObject *type)
 {
+    PyObject *args;
+    PyObject *ret;
     propertyobject *gs = (propertyobject *)self;
 
     if (obj == NULL || obj == Py_None) {
@@ -1382,7 +1384,14 @@
         PyErr_SetString(PyExc_AttributeError, "unreadable attribute");
         return NULL;
     }
-    return PyObject_CallFunctionObjArgs(gs->prop_get, obj, NULL);
+    if (!(args = PyTuple_New(1))) {
+        return NULL;
+    }
+    Py_INCREF(obj);
+    PyTuple_SET_ITEM(args, 0, obj);
+    ret = PyObject_Call(gs->prop_get, args, NULL);
+    Py_DECREF(args);
+    return ret;
 }
 
 static int