[mednet] Pre-commit fixes

helpers/generate_histograms.py

...tion/config/data/montgomery_shenzhen_indian/datamodule.py

...nfig/data/montgomery_shenzhen_indian_tbx11k/datamodule.py

...assification/config/data/nih_cxr14_padchest/datamodule.py

src/mednet/libs/classification/scripts/cli.py

src/mednet/libs/classification/tests/conftest.py

...dnet/libs/classification/tests/test_cli_classification.py

src/mednet/libs/common/data/datamodule.py

src/mednet/libs/common/models/normalizer.py

src/mednet/libs/common/scripts/config.py

src/mednet/libs/common/scripts/database.py

src/mednet/libs/common/tests/conftest.py

src/mednet/libs/common/utils/gitlab.py

src/mednet/libs/segmentation/engine/evaluator.py

src/mednet/libs/segmentation/models/lwnet.py

src/mednet/libs/segmentation/models/separate.py

src/mednet/libs/segmentation/scripts/evaluate.py

src/mednet/libs/segmentation/scripts/experiment.py

src/mednet/libs/segmentation/tests/conftest.py

src/mednet/libs/segmentation/tests/test_measures.py