def __setitem__(self, key, value):
        self.tbl[key] = value
Adds gaussian noise. Note that this is not entirely correct, the correct way would be to do it
dataset/ETHPy150Open ejeschke/ginga/ginga/misc/Bunch.py/Bunch.__setitem__--crossover with--dataset/ETHPy150Open benanne/kaggle-galaxies/realtime_augmentation.py/post_augment_gaussian_noise_gen