cleanup redirected stdout crash before re-redirecting #5318

Job	Run time
Test coverage (ubuntu-latest, 3.10, <6, <2, <1.23)	7m 11s
Test minimal env (ubuntu-latest, 3.10)	1m 6s
Unit tests (ubuntu-latest, 3.9, ==5.0, ==1.1.6, <1.23)	5m 26s
API doc completeness test (ubuntu-latest, 3.9)	26s
Unit tests (ubuntu-latest, 3.9, ==5.0, <2, <1.23)	5m 6s
Doc test (ubuntu-latest, 3.9)	46s
Unit tests (ubuntu-latest, 3.9, <6, ==1.1.6, <1.23)	5m 58s
Style check (ubuntu-latest, 3.9)	20s
Unit tests (ubuntu-latest, 3.9, <6, <2, <1.23)	5m 23s
Unit tests (ubuntu-latest, 3.10, ==5.0, ==1.1.6, <1.23)	5m 31s
Unit tests (ubuntu-latest, 3.10, ==5.0, <2, <1.23)	5m 20s
Unit tests (ubuntu-latest, 3.10, <6, ==1.1.6, <1.23)	5m 31s
Unit tests (ubuntu-latest, 3.10, <6, <2, <1.23)	5m 20s
	53m 24s

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