tests

Remove unused statement (an accidental stand-alone string). #607

Job	Run time
lint	23s
verify-docs	34s
tests (ubuntu-latest, 3.7)	7m 57s
tests (ubuntu-latest, 3.8)	8m 17s
tests (ubuntu-latest, 3.9)	6m 9s
tests (ubuntu-latest, 3.10)	7m 55s
tests (ubuntu-latest, 3.11)	4m 44s
tests (windows-latest, 3.11)	11m 18s
tests (macos-latest, 3.11)	7m 54s
Build zipapp	0s
Publish pipx to PyPI on release	0s
	55m 11s

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