Fix test-processors type-hints #1041

Job	Run time
linters (3.9, ubuntu-latest)	52s
Testing on Python 3.8 (ubuntu-latest)	49s
Testing on Python 3.8 (macos-13)	1m 27s
Testing on Python 3.8 (windows-2019)	2m 13s
Testing on Python 3.9 (ubuntu-latest)	56s
Testing on Python 3.9 (macos-13)	1m 19s
Testing on Python 3.9 (windows-2019)	2m 12s
Testing on Python 3.10 (ubuntu-latest)	56s
Testing on Python 3.10 (macos-13)	1m 19s
Testing on Python 3.10 (windows-2019)	2m 6s
Testing on Python 3.11 (ubuntu-latest)	51s
Testing on Python 3.11 (macos-13)	1m 28s
Testing on Python 3.11 (windows-2019)	2m 33s
Testing on Python 3.12 (ubuntu-latest)	56s
Testing on Python 3.12 (macos-13)	1m 39s
Testing on Python 3.12 (windows-2019)	4m 14s
	25m 50s

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