Get coverage back to 100%

[A5rocks]

This fixes coverage losses in #3234

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00000%. Comparing base (bb63c53) to head (b29f270).
⚠️ Report is 51 commits behind head on main.

Additional details and impacted files

@@                 Coverage Diff                  @@
##                main        #3268         +/-   ##
====================================================
+ Coverage   99.93728%   100.00000%   +0.06271%     
====================================================
  Files            126          127          +1     
  Lines          19132        20737       +1605     
  Branches        1296         1517        +221     
====================================================
+ Hits           19120        20737       +1617     
+ Misses            10            0         -10     
+ Partials           2            0          -2     

Files with missing lines	Coverage Δ
src/trio/_tests/tools/test_sync_requirements.py	100.00000% <ø> (ø)
src/trio/_tools/gen_exports.py	100.00000% <ø> (ø)
src/trio/_tools/mypy_annotate.py	100.00000% <ø> (ø)
src/trio/_tools/sync_requirements.py	100.00000% <ø> (+21.42856%)	⬆️

... and 10 files with indirect coverage changes

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[jakkdl]

huh, why didn't CI block <100%?

EDIT: I guess blocking merging on <100% coverage might be a bit harsh, although we could possibly recreate the skip-newsfragment label setup. But it's probably fine either way

[A5rocks]

I think we have CI set up to allow codecov failures because of it being flakey

[jakkdl]

I think we have CI set up to allow codecov failures because of it being flakey

I don't think it's flakey with current setup, but fair enough.