restore hook; fix workflow instead

.github/workflows/code_checks.yml

@@ -21,7 +21,7 @@ jobs:
           python-version: "3.8.12"
       - name: Install dependencies
         run: |
-          pip install isort black
+          pip install isort==5.10.1 black[jupyter]==22.3.0
       - name: Run isort
         run: isort docs/ nerfacc/ scripts/ examples/ tests/ --profile black --skip examples/pycolmap --line-length 80 --check
       - name: Run Black

.pre-commit-config.yaml

@@ -7,15 +7,15 @@ repos:
     -   id: check-yaml
     -   id: check-merge-conflict
     -   id: requirements-txt-fixer
-# -   repo: https://github.com/psf/black
-#     rev: 22.10.0
-#     hooks:
-#       - id: black
-#         language_version: python3.8.12
-#         args: # arguments to configure black
-#           - --line-length=80
+-   repo: https://github.com/psf/black
+    rev: 22.10.0
+    hooks:
+      - id: black
+        language_version: python3.8.12
+        args: # arguments to configure black
+          - --line-length=80
 
-# -   repo: https://github.com/pycqa/isort
-#     rev: 5.10.1
-#     hooks:
-#       - id: isort
+-   repo: https://github.com/pycqa/isort
+    rev: 5.10.1
+    hooks:
+      - id: isort