black - 18.9b0-1-6 main

Black is the uncompromising Python code formatter. By using it, you
agree to cede control over minutiae of hand-formatting. In return,
Black gives you speed, determinism, and freedom from pycodestyle
nagging about formatting. You will save time and mental energy for
more important matters.
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Blackened code looks the same regardless of the project you're reading.
Formatting becomes transparent after a while and you can focus on the
content instead.
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Black makes code review faster by producing the smallest diffs
possible.