[issue15707] PEP 3121, 384 Refactoring applied to signal module

[STINNER Victor]

Change by STINNER Victor <vstinner at python.org>:


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resolution: fixed -> duplicate
superseder:  -> _signal module leak: test_interpreters leaked [1424, 1422, 1424] references

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue15707>
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