Merge pull request #45 from sanders41/pre-commit

Bump black in pre-commit from 21.7b0 to 21.8b0

Author: sanders41

.pre-commit-config.yaml

@@ -12,7 +12,7 @@ repos:
     - id: isort
       additional_dependencies: [toml]
   - repo: https://github.com/psf/black
-    rev: 21.7b0
+    rev: 21.8b0
     hooks:
     - id: black
       language_version: python3