i, train_data = next(enumerate(datamodule.train_dataloader()))
print(train_data.keys())
# dict_keys(['image_path', 'label', 'image'])

i, val_data = next(enumerate(datamodule.val_dataloader()))
print(val_data.keys())
# dict_keys(['image_path', 'label', 'image'])

i, test_data = next(enumerate(datamodule.test_dataloader()))
print(test_data.keys())
# dict_keys(['image_path', 'label', 'image'])
