'Create another fatty tagged instance with different PK to ensure there
is a content type restriction in the generated queries below.'

def test_queries_content_type_restriction(self):

    mpk = ManualPK.objects.create(id=self.lion.pk)
    mpk.tags.create(tag='fatty')
    self.platypus.tags.create(tag='fatty')
    self.assertQuerysetEqual(Animal.objects.filter(tags__tag='fatty'), ['<Animal:    Platypus>'])
    self.assertQuerysetEqual(Animal.objects.exclude(tags__tag='fatty'), ['<Animal:    Lion>'])
