def get_all_objects_for_this_type(self, **kwargs):
        return self.model_class()._base_manager.using(self._state.db).filter(**kwargs)
1/(1+exp(x)) -> sigm(-x)
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/contrib/contenttypes/models.py/ContentType.get_all_objects_for_this_type--crossover with--dataset/ETHPy150Open rizar/attention-lvcsr/libs/Theano/theano/tensor/nnet/sigm.py/local_inv_1_plus_exp