This test fails on my machine:

    ======================================================================
    FAIL: test_defer_proxy_related_field (defer.tests.DeferTests)
    ----------------------------------------------------------------------
    Traceback (most recent call last):
      File "./django/tests/defer/tests.py", line 178, in test_defer_proxy_related_field
        self.assert_delayed(obj, 3)
      File "./django/tests/defer/tests.py", line 16, in assert_delayed
        self.assertEqual(count, num)
    AssertionError: 2 != 3