def test_textfield_hash(self):
        f1 = HashTestForm({'name': 'joe', 'bio': 'Nothing notable.'})
        f2 = HashTestForm({'name': '  joe', 'bio': 'Nothing notable.  '})
        hash1 = utils.security_hash(None, f1)
        hash2 = utils.security_hash(None, f2)
        self.assertEqual(hash1, hash2)
Estimate log-weights in EM algorithm, E[ log pi ] in VB algorithm.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/contrib/formtools/tests/__init__.py/SecurityHashTests.test_textfield_hash--crossover with--dataset/ETHPy150Open scikit-learn/scikit-learn/sklearn/mixture/base.py/BaseMixture._estimate_log_weights