Bump black from 20.8b1 to 21.9b0 (#1877)

Bumps [black](https://github.com/psf/black) from 20.8b1 to 21.9b0.
- [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
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tom Christie <tom@tomchristie.com>
Co-authored-by: Florimond Manca <florimond.manca@protonmail.com>

diff --git a/requirements.txt b/requirements.txt
index 03e07285e7e675d008fffdb7a43840a9f93645be..b64bb6d7397d042cf6bbaf453499b8c278575697 100644 (file)
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ wheel==0.37.0
 
 # Tests & Linting
 autoflake==1.4
-black==20.8b1
+black==21.9b0
 coverage==6.0.2
 cryptography==3.4.8
 flake8==3.9.2