From c789f341bb3d1a7689110238669360fc8f379c44 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Fri, 8 Dec 2006 17:35:25 +0000
Subject: Add test for SF bug 1576657

---
 Lib/test/test_set.py | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Lib/test/test_set.py b/Lib/test/test_set.py
index 0268be2..422cc41 100644
--- a/Lib/test/test_set.py
+++ b/Lib/test/test_set.py
@@ -293,6 +293,17 @@ class TestSet(TestJointOps):
         self.assert_(self.thetype(self.word) not in s)
         self.assertRaises(KeyError, self.s.remove, self.thetype(self.word))
 
+    def test_remove_keyerror_unpacking(self):
+        # bug:  www.python.org/sf/1576657
+        for v1 in ['Q', (1,)]:
+            try:
+                self.s.remove(v1)
+            except KeyError, e:
+                v2 = e.args[0]
+                self.assertEqual(v1, v2)
+            else:
+                self.fail()
+
     def test_discard(self):
         self.s.discard('a')
         self.assert_('a' not in self.s)
-- 
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