[pre-commit.ci] pre-commit autoupdate

updates: - [github.com/psf/black: 21.8b0 → 21.9b0](https://github.com/psf/black/compare/21.8b0...21.9b0)
2021-09-20 18:04:43 +00:00 · 2021-09-20 18:04:43 +00:00 · 9429427487
commit 9429427487
parent d14a800781
1 changed files with 1 additions and 1 deletions
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@ -1,6 +1,6 @@
 repos:
 - repo: https://github.com/psf/black
-  rev: 21.8b0
+  rev: 21.9b0
  hooks:
  - id: black
    language_version: python3