Reverting the Revision: 77368.  I committed Flox's big patch for tests by
mistake. ( It may come in for sure tough)
diff --git a/Lib/test/test_functools.py b/Lib/test/test_functools.py
index aa672ab..ab5bac2 100644
--- a/Lib/test/test_functools.py
+++ b/Lib/test/test_functools.py
@@ -116,7 +116,7 @@
 
     def test_error_propagation(self):
         def f(x, y):
-            x // y
+            x / y
         self.assertRaises(ZeroDivisionError, self.thetype(f, 1, 0))
         self.assertRaises(ZeroDivisionError, self.thetype(f, 1), 0)
         self.assertRaises(ZeroDivisionError, self.thetype(f), 1, 0)