chore: remove references to black from the project

.github/workflows/docs.yml

@@ -31,9 +31,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: psf/black@stable
-        with:
-          src: docs/src/python
+      - run: |
+          cd docs
+          make check
 
   build-deploy:
     needs:

docs/Makefile

@@ -0,0 +1,20 @@
+.DEFAULT_GOAL := help
+
+.PHONY: install-ruff
+install-ruff: ## install ruff
+	$(info --- Installing ruff ---)
+	pip install ruff==0.5.2
+
+.PHONY: format
+format: install-ruff ## format code with ruff
+	$(info --- format Python code in docs ---)
+	ruff format .
+
+.PHONY: check
+check: install-ruff ## check if code is formatted with ruff
+	$(info --- format Python code in docs ---)
+	ruff format --check .
+
+.PHONY: help
+help:
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'

python/pyproject.toml

@@ -73,10 +73,6 @@ warn_return_any = false
 implicit_reexport = true
 strict_equality = true
 
-[tool.black]
-include = '\.pyi?$'
-exclude = "venv"
-
 [tool.ruff.lint]
 select = [
     # pycodestyle error