This release is based on https://github.com/psf/black/commit/9c8464ca7ddd48d1c19112d895ae12d783f01563.
* Fixed a bug where a module docstring ends with a line that's `LineLength-3`
to `LineLength` long, an extra empty line was added.
* Fixed a bug when running *Pyink* on Python 3.8 and earlier (3).
* Do not explode immediately nested literals that have a trailing comma in the
body.