'We can filter for objects, where a value is not equals the value
of an other field.'

def test_filter_not_equals_other_field(self):

    self.assertEqual(Number.objects.filter(integer__gt=0).update(integer=(F('integer') + 1)), 2)
    self.assertQuerysetEqual(Number.objects.exclude(float=F('integer')), ['<Number:    43,    42.000>', '<Number:    1338,    1337.000>'])
