[data.augmentations] Satisfy qa/docformatter

src/ptbench/data/augmentations.py

 # SPDX-FileCopyrightText: Copyright © 2023 Idiap Research Institute <contact@idiap.ch>
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
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 """Image transformations for our pipelines.
 
 Differences between methods here and those from