From 3fb156caa4373e90d1e853f03dc58151ad9ffec8 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Sun, 18 Apr 2010 23:05:22 +0000
Subject: [PATCH] Issue 8436: set.__init__ accepts keyword args

---
 Lib/test/test_set.py | 1 +
 Objects/setobject.c  | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/Lib/test/test_set.py b/Lib/test/test_set.py
index 1e0a909c0a0..627c48c51b4 100644
--- a/Lib/test/test_set.py
+++ b/Lib/test/test_set.py
@@ -48,6 +48,7 @@ class TestJointOps(unittest.TestCase):
 
     def test_new_or_init(self):
         self.assertRaises(TypeError, self.thetype, [], 2)
+        self.assertRaises(TypeError, set().__init__, a=1)
 
     def test_uniquification(self):
         actual = sorted(self.s)
diff --git a/Objects/setobject.c b/Objects/setobject.c
index 944744183c1..aaa483878e6 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -1978,6 +1978,8 @@ set_init(PySetObject *self, PyObject *args, PyObject *kwds)
 
 	if (!PyAnySet_Check(self))
 		return -1;
+	if (PySet_Check(self) && !_PyArg_NoKeywords("set()", kwds))
+		return -1;
 	if (!PyArg_UnpackTuple(args, Py_TYPE(self)->tp_name, 0, 1, &iterable))
 		return -1;
 	set_clear_internal(self);
-- 
2.30.9