In lesson 2 when creating after creating the data loaders, how can I find out the size of my dataset after data augmentation:
bears = DataBlock(blocks=(ImageBlock, CategoryBlock),
get_items=get_image_files,
splitter=RandomSplitter(valid_pct=0.2, seed=42),
item_tfms=RandomResizedCrop(224, min_scale=0.5),
batch_tfms=aug_transforms(),
get_y=parent_label)
dls = bears.datasets(path)