[issue30244] Emit a ResourceWarning in concurrent.futures executor destructors

Change by STINNER Victor : -- resolution: -> out of date stage: -> resolved status: open -> closed ___ Python tracker ___ ___ Pyth

[issue30244] Emit a ResourceWarning in concurrent.futures executor destructors

New submission from STINNER Victor: Follow-up of issues: * issue #30110: test_asyncio reports reference leak, forgot to shutdown concurrent.futures.ProcessPoolExecutor() * issue #30171: Emit ResourceWarning in multiprocessing Queue destructor I propose to emit a ResourceWarning warning in concu