[issue30769] [EASY (C)] test_execve_invalid_env() of test_os leaks references

[Eric N. Vander Weele]

Changes by Eric N. Vander Weele <ericvw at gmail.com>:


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pull_requests: +2464

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30769>
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