Make sure that the code is py310 compatible and optimized

arkindex_worker/image.py

arkindex_worker/models.py

arkindex_worker/utils.py

arkindex_worker/worker/__init__.py

arkindex_worker/worker/base.py

arkindex_worker/worker/classification.py

arkindex_worker/worker/dataset.py

arkindex_worker/worker/element.py

arkindex_worker/worker/entity.py

arkindex_worker/worker/metadata.py

arkindex_worker/worker/task.py

arkindex_worker/worker/training.py

arkindex_worker/worker/transcription.py

pyproject.toml

tests/test_base_worker.py

tests/test_elements_worker/test_elements.py

tests/test_elements_worker/test_transcriptions.py