Fix test_bool. operator.isCallable() doesn't raise a warning on 2.6.
diff --git a/Lib/test/test_bool.py b/Lib/test/test_bool.py
index 150dc31..680a40f 100644
--- a/Lib/test/test_bool.py
+++ b/Lib/test/test_bool.py
@@ -261,9 +261,8 @@
         import operator
         self.assertIs(operator.truth(0), False)
         self.assertIs(operator.truth(1), True)
-        with test_support._check_py3k_warnings():
-            self.assertIs(operator.isCallable(0), False)
-            self.assertIs(operator.isCallable(len), True)
+        self.assertIs(operator.isCallable(0), False)
+        self.assertIs(operator.isCallable(len), True)
         self.assertIs(operator.isNumberType(None), False)
         self.assertIs(operator.isNumberType(0), True)
         self.assertIs(operator.not_(1), False)