An opinionated, deterministic Python code formatter that reformats code to a consistent style with minimal configuration — eliminates style debates by giving developers no choices.
Black formats Python code in a single style: 88-char lines (defaultable), specific string-quote choices, mandatory trailing commas in multi-line collections, and consistent whitespace. Its 'no configuration' philosophy means teams stop arguing about style and focus on logic. Black runs in pre-commit hooks, CI, and IDEs. Ruff's formatter is Black-compatible if you've moved to Ruff.
Adding Black to a Django project's pre-commit hooks so every commit is auto-formatted, eliminating style-only PRs.
Black removes one of the most common sources of low-value engineering arguments — what does 'good' Python style look like — by enforcing a single answer.
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