Sourcery Starbot ⭐ refactored P403n1x87/blighty

[SourceryAI]

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To manually merge these changes, make sure you're on the master branch, then run:

git fetch https://github.com/sourcery-ai-bot/blighty master
git merge --ff-only FETCH_HEAD
git reset HEAD^

[SourceryAI]

Function Cpu.draw_polygon refactored with the following changes:

• Replace unused for index with underscore