Bump black from 21.7b0 to 21.10b0 (#170)

Bump black from 21.7b0 to 21.10b0 (#170)

Bumps [black](https://github.com/psf/black) from 21.7b0 to 21.10b0.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](https://github.com/psf/black/commits)

---
updated-dependencies:
- dependency-name: black
  dependency-type: direct:production
...

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