def ratval( self, x ):
        degree = len(self) / 2
        num, den = self[:degree+1], self[degree+1:] + [1]
        return num.polyval(x) / den.polyval(x)
When a custom user model is used that doesn't have a field
dataset/ETHPy150Open sunlightlabs/clearspending/completeness/statlib/matfunc.py/Vec.ratval--crossover with--dataset/ETHPy150Open relekang/django-nopassword/tests/test_backends.py/AuthenticationBackendTests.test_authenticate_with_custom_user_model