fix DeprecationWarning: Attribute s is deprecated and will be removed… #405

Job	Run time
Linux / Python 3.8 / tox -e security	28s
Linux / Python 3.9 / tox -e security	1s
Linux / Python 3.10 / tox -e security	32s
Linux / Python 3.11 / tox -e security	27s
Linux / Python 3.10 / tox -e lint	38s
Linux / Python 3.8 / tox -e type-checking	41s
Linux / Python 3.9 / tox -e type-checking	1s
Linux / Python 3.10 / tox -e type-checking	41s
Linux / Python 3.11 / tox -e type-checking	42s
Linux / Python 3.8 / tox -e py38	41s
Linux / Python 3.8 / tox -e py38-no-ext	41s
Linux / Python 3.9 / tox -e py39	7s
Linux / Python 3.9 / tox -e py39-no-ext	1s
Linux / Python 3.10 / tox -e py310	45s
Linux / Python 3.10 / tox -e py310-no-ext	44s
Linux / Python 3.11 / tox -e py311	42s
Linux / Python 3.12 / tox -e py312	42s
Linux / Python 3.11 / tox -e py311-no-ext	44s
Windows / Python 3.8 / tox -e py38-no-ext	42s
Windows / Python 3.9 / tox -e py39-no-ext	7s
Windows / Python 3.10 / tox -e py310-no-ext	43s
Windows / Python 3.11 / tox -e py310-no-ext	43s
	11m 33s

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