style: format code with Black and isort

[deepsource-autofix[bot]]

This commit fixes the style issues introduced in ae1e292 according to the output from Black and isort.

Details: None

[deepsource-io[bot]]

Here's the code health analysis summary for commits ae1e292..f2b21a7. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
Python	❌ Failure	❗ 5 occurences introduced 🎯 18 occurences resolved	View Check ↗

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