Issue #24336: Backported test for contextmanager.  Patch by Martin Panter.
diff --git a/Lib/test/test_contextlib.py b/Lib/test/test_contextlib.py
index f28c95e..301564b 100644
--- a/Lib/test/test_contextlib.py
+++ b/Lib/test/test_contextlib.py
@@ -106,6 +106,14 @@
         baz = self._create_contextmanager_attribs()
         self.assertEqual(baz.__doc__, "Whee!")
 
+    def test_keywords(self):
+        # Ensure no keyword arguments are inhibited
+        @contextmanager
+        def woohoo(self, func, args, kwds):
+            yield (self, func, args, kwds)
+        with woohoo(self=11, func=22, args=33, kwds=44) as target:
+            self.assertEqual(target, (11, 22, 33, 44))
+
 class NestedTestCase(unittest.TestCase):
 
     # XXX This needs more work