def get_input_space(self):
        return self._layers[0].get_input_space()
Customized unique_slug function
dataset/ETHPy150Open lisa-lab/pylearn2/pylearn2/blocks.py/StackedBlocks.get_input_space--crossover with--dataset/ETHPy150Open newsapps/django-boundaryservice/boundaryservice/models.py/SluggedModel.unique_slug