-q, --quiet Don't emit non-error messages to stderr. Errors
are still emitted, silence those with
2>/dev/null.
+ --pyi Consider all input files typing stubs regardless
+ of file extension (useful when piping source on
+ standard input).
+ --py36 Allow using Python 3.6-only syntax on all input
+ files. This will put trailing commas in function
+ signatures and calls also after *args and
+ **kwargs. [default: per-file auto-detection]
--version Show the version and exit.
--help Show this message and exit.
```
Some popular APIs, like ORMs, use call chaining. This API style is known
as a [fluent interface](https://en.wikipedia.org/wiki/Fluent_interface).
-*Black* formats those treating dots that follow a call or an indexing
+*Black* formats those by treating dots that follow a call or an indexing
operation like a very low priority delimiter. It's easier to show the
behavior than to explain it. Look at the example:
```py3
create a virtualenv manually and point `g:black_virtualenv` to it.
The plugin will use it.
+To run *Black* on save, add the following line to `.vimrc` or `init.vim`:
+
+```
+autocmd BufWritePost *.py execute ':Black'
+```
+
**How to get Vim with Python 3.6?**
On Ubuntu 17.10 Vim comes with Python 3.6 by default.
On macOS with Homebrew run: `brew install vim --with-python3`.
### 18.5b1 (unreleased)
+* added `--pyi` (#249)
+
+* added `--py36` (#249)
+
* Python grammar pickle caches are stored with the formatting caches, making
*Black* work in environments where site-packages is not user-writable (#192)
* fixed optional parentheses being removed within `# fmt: off` sections (#224)
-* fixed invalid code produced when stars in very long imports were incorrectly
+* fixed invalid code produced when stars in very long imports were incorrectly
wrapped in optional parentheses (#234)
+* fixed unstable formatting when inline comments were moved around in
+ a trailer that was omitted from line splitting on a large expression
+ (#238)
+
+
### 18.5b0
* call chains are now formatted according to the