[PR #11107/21d640d backport][3.12] Avoid creating closed futures that will never be awaited

[bdraco]

(cherry picked from commit 21d640d)

[codspeed-hq]

CodSpeed Performance Report

Merging #11110 will not alter performance

_{Comparing patchback/backports/3.12/21d640dc4b046be18bcb42aad8fa5445198fd219/pr-11107 (07dfd46) with 3.12 (b1aa238)}

Summary

✅ 59 untouched benchmarks

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.25%. Comparing base (b1aa238) to head (07dfd46).
Report is 1 commits behind head on 3.12.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             3.12   #11110   +/-   ##
=======================================
  Coverage   98.25%   98.25%           
=======================================
  Files         130      130           
  Lines       41999    42035   +36     
  Branches     2301     2305    +4     
=======================================
+ Hits        41267    41303   +36     
  Misses        557      557           
  Partials      175      175           

Flag	Coverage Δ
CI-GHA	98.14% <100.00%> (+<0.01%)	⬆️
OS-Linux	97.88% <100.00%> (+<0.01%)	⬆️
OS-Windows	95.50% <100.00%> (-0.01%)	⬇️
OS-macOS	97.09% <100.00%> (+<0.01%)	⬆️
Py-3.10.11	96.86% <100.00%> (-0.01%)	⬇️
Py-3.10.17	97.37% <100.00%> (+<0.01%)	⬆️
Py-3.11.12	97.55% <100.00%> (+<0.01%)	⬆️
Py-3.11.9	97.04% <100.00%> (-0.01%)	⬇️
Py-3.12.10	97.91% <100.00%> (+<0.01%)	⬆️
Py-3.13.3	97.89% <100.00%> (+<0.01%)	⬆️
Py-3.9.13	96.76% <100.00%> (+<0.01%)	⬆️
Py-3.9.22	97.27% <100.00%> (+<0.01%)	⬆️
Py-pypy7.3.16	82.63% <100.00%> (-8.26%)	⬇️
VM-macos	97.09% <100.00%> (+<0.01%)	⬆️
VM-ubuntu	97.88% <100.00%> (+<0.01%)	⬆️
VM-windows	95.50% <100.00%> (-0.01%)	⬇️

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