[pre-commit.ci] pre-commit autoupdate

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 exclude: '^($|.*\.bin)'
 repos:
-  - repo: https://github.com/ambv/black
+  - repo: https://github.com/psf/black
     rev: 20.8b1
     hooks:
       - id: black