def get_input_space(self):
        if self.input_space is not None:
            return self.input_space
        raise ValueError("No input space was specified for this Block (%s). "
                         "You can call set_input_space to correct that." %
                         str(self))
.. todo::
dataset/ETHPy150Open lisa-lab/pylearn2/pylearn2/datasets/preprocessing.py/ExamplewiseAddScaleTransform.get_input_space