```py3
# in:
-l = [1,
+j = [1,
2,
3,
]
# out:
-l = [1, 2, 3]
+j = [1, 2, 3]
```
If not, *Black* will look at the contents of the first outer matching
```
You'll find *Black*'s own .flake8 config file is configured like this.
-If you're curious about the reasoning behind B950,
+If you're curious about the reasoning behind B950,
[Bugbear's documentation](https://github.com/PyCQA/flake8-bugbear#opinionated-warnings)
explains it. The tl;dr is "it's like highway speed limits, we won't
bother you if you overdo it by a few km/h".
-### Wing IDE
+### Wing IDE
Wing supports black via the OS Commands tool, as explained in the Wing documentation on [pep8 formatting](https://wingware.com/doc/edit/pep8). The detailed procedure is:
- click on **+** in **OS Commands** -> New: Command line..
- Title: black
- Command Line: black %s
- - I/O Encoding: Use Default
+ - I/O Encoding: Use Default
- Key Binding: F1
- [x] Raise OS Commands when executed
- [x] Auto-save files before execution
- `HTTP 500`: If there was any kind of error while trying to format the input.
The response body contains a textual representation of the error.
+The response headers include a `X-Black-Version` header containing the version
+of *Black*.
+
## Version control integration
Use [pre-commit](https://pre-commit.com/). Once you [have it
The following notable open-source projects trust *Black* with enforcing
a consistent code style: pytest, tox, Pyramid, Django Channels, Hypothesis,
attrs, SQLAlchemy, Poetry, PyPA applications (Warehouse, Pipenv, virtualenv),
-every Datadog Agent Integration.
+pandas, Pillow, every Datadog Agent Integration.
Are we missing anyone? Let us know.
* *Black* is now able to format Python code that uses positional-only
arguments (`/` as described in PEP-570) (#946)
+* `blackd` now returns the version of *Black* in the response headers (#1013)
+
### 19.3b0