From 21eb48764c618eede0405ef840eadf1b03ff9b00 Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Sat, 7 May 2016 15:41:09 +0300
Subject: Issue #17765: weakref.ref() no longer silently ignores keyword
 arguments. Patch by Georg Brandl.

---
 Lib/test/test_weakref.py | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'Lib/test/test_weakref.py')

diff --git a/Lib/test/test_weakref.py b/Lib/test/test_weakref.py
index f37f1e9e245..f49cb7e591f 100644
--- a/Lib/test/test_weakref.py
+++ b/Lib/test/test_weakref.py
@@ -133,6 +133,10 @@ class ReferencesTestCase(TestBase):
         ref1 = weakref.ref(c, callback)
         del c
 
+    def test_constructor_kwargs(self):
+        c = C()
+        self.assertRaises(TypeError, weakref.ref, c, callback=None)
+
     def test_proxy_ref(self):
         o = C()
         o.bar = 1
-- 
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