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Remove Python 3.9 support (EOL October 2025)#4383

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kddejong merged 1 commit intoaws-cloudformation:mainfrom
kddejong:remove-python-3.9-support
Mar 3, 2026
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Remove Python 3.9 support (EOL October 2025)#4383
kddejong merged 1 commit intoaws-cloudformation:mainfrom
kddejong:remove-python-3.9-support

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@kddejong kddejong commented Mar 3, 2026

  • Update minimum Python version to 3.10 in pyproject.toml
  • Remove Python 3.9 from GitHub Actions CI workflows
  • Remove py39 from tox configuration
  • Update README and CONTRIBUTING documentation

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- Update minimum Python version to 3.10 in pyproject.toml
- Remove Python 3.9 from GitHub Actions CI workflows
- Remove py39 from tox configuration
- Update README and CONTRIBUTING documentation
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codecov bot commented Mar 3, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.55%. Comparing base (0bbabc9) to head (ab515c9).
⚠️ Report is 17 commits behind head on main.

Additional details and impacted files
@@           Coverage Diff           @@
##             main    #4383   +/-   ##
=======================================
  Coverage   93.54%   93.55%           
=======================================
  Files         418      422    +4     
  Lines       14145    14219   +74     
  Branches     2817     2824    +7     
=======================================
+ Hits        13232    13302   +70     
  Misses        567      567           
- Partials      346      350    +4     
Flag Coverage Δ
unittests 93.55% <ø> (+0.01%) ⬆️

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@kddejong kddejong merged commit f84f897 into aws-cloudformation:main Mar 3, 2026
41 of 82 checks passed
@kddejong kddejong deleted the remove-python-3.9-support branch March 3, 2026 20:08
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