Issue 2235: Py3k warnings are now emitted for classes that will no longer inherit a__hash__ implementation from a parent class in Python 3.x. The standard library and test suite have been updated to not emit these warnings.
diff --git a/Lib/test/test_coercion.py b/Lib/test/test_coercion.py
index e3a7e43..a70f82d 100644
--- a/Lib/test/test_coercion.py
+++ b/Lib/test/test_coercion.py
@@ -309,6 +309,7 @@
def __cmp__(slf, other):
self.assert_(other == 42, 'expected evil_coercer, got %r' % other)
return 0
+ __hash__ = None # Invalid cmp makes this unhashable
self.assertEquals(cmp(WackyComparer(), evil_coercer), 0)
# ...and classic classes too, since that code path is a little different
class ClassicWackyComparer: