Sourcery refactored master branch

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Branch master refactored by Sourcery.

If you're happy with these changes, merge this Pull Request using the Squash and merge strategy.

See our documentation here.

Run Sourcery locally

Reduce the feedback loop during development by using the Sourcery editor plugin:

• VS Code
• PyCharm

Review changes via command line

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

git fetch origin sourcery-dev/master
git merge --ff-only FETCH_HEAD
git reset HEAD^