@property
    def unit(self):
        return self._unit
We have to override this as username is nullable. We either return the email
dataset/ETHPy150Open hyperion-rt/hyperion/hyperion/model/image.py/Image.unit--crossover with--dataset/ETHPy150Open potatolondon/djangae/djangae/contrib/gauth/common/models.py/GaeAbstractBaseUser.__str__