Pair programming with @dcarron

src/ptbench/data/datamodule.py

src/ptbench/data/dataset.py

src/ptbench/data/padchest/__init__.py

src/ptbench/data/raw_data_loader.py

src/ptbench/data/shenzhen/default.py

src/ptbench/data/shenzhen/raw_data_loader.py

src/ptbench/data/split.py

src/ptbench/data/transforms.py

src/ptbench/models/densenet.py

src/ptbench/models/normalizer.py

src/ptbench/models/pasa.py