Fix test_print_to_correct_cell_from_child_thread #2792

Job	Run time
check_release	1m 56s
build (ubuntu-latest, 3.9)	3m 2s
link_check	3m 59s
Make SDist	20s
build (ubuntu-latest, 3.13)	3m 12s
test_docs	43s
build (windows-latest, 3.9)	8m 17s
Test Lint	1m 3s
build (windows-latest, 3.13)	9m 8s
build (macos-latest, 3.9)	2m 54s
Test Minimum Versions	2m 16s
build (macos-latest, 3.13)	5m 13s
build (ubuntu-latest, pypy-3.9)	4m 25s
Test Prereleases	2m 1s
test_without_debugpy (ubuntu-latest, 3.9)	1m 56s
build (macos-latest, 3.10)	2m 42s
build (ubuntu-latest, 3.11)	2m 51s
build (ubuntu-latest, 3.12)	3m 8s
Install from SDist and Test	1m 54s
coverage	0s
tests_check	2s
	1h 1m 2s

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