in supervised_reptile/omniglot.py [0:0]
def augment_dataset(dataset):
"""
Augment the dataset by adding 90 degree rotations.
Args:
dataset: an iterable of Characters.
Returns:
An iterable of augmented Characters.
"""
for character in dataset:
for rotation in [0, 90, 180, 270]:
yield Character(character.dir_path, rotation=rotation)