add black to pre-commit hook

Author: ngoldbaum

.pre-commit-config.yaml

@@ -98,3 +98,12 @@ repos:
       - id: isort
         name: isort (pyi)
         types: [pyi]
+  - repo: https://github.com/psf/black
+    rev: 22.12.0
+    hooks:
+      - id: black
+        # It is recommended to specify the latest version of Python
+        # supported by your project here, or alternatively use
+        # pre-commit's default_language_version, see
+        # https://pre-commit.com/#top_level-default_language_version
+        language_version: python3.9