@skipUnlessDBFeature('supports_transactions')
    def test_manually_managed_mistake(self):
        manually_managed_mistake = transaction.commit_manually(
            self.manually_managed_mistake
        )
        self.assertRaises(transaction.TransactionManagementError,
            manually_managed_mistake)
Returns the entropies of the columns of phi (i.e., topics)
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/tests/modeltests/transactions/tests.py/TransactionTests.test_manually_managed_mistake--crossover with--dataset/ETHPy150Open inpho/vsm/vsm/viewer/ldacgsviewer.py/LdaCgsViewer.H_phi