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# Black
[Black](https://black.readthedocs.io/en/stable/) is a opinionated python code formatter.
## Run Locally
The mozlint integration of black can be run using mach:
```{eval-rst}
.. parsed-literal::
$ mach lint --linter black <file paths>
```
Alternatively, omit the `--linter black` and run all configured linters, which will include
black.
## Configuration
To enable black on new directory, add the path to the include
section in the {searchfox}`black.yml <tools/lint/black.yml>` file.
## Autofix
The black linter provides a `--fix` option.
## Sources
- {searchfox}`Configuration (YAML) <tools/lint/black.yml>`
- {searchfox}`Source <tools/lint/python/black.py>`