Switched from flake8 to ruff.

Python 3.12 tested.

.github/workflows/build.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12.0-alpha - 3.12']
     steps:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v4
@@ -29,7 +29,7 @@ jobs:
     - uses: actions/setup-python@v4
       with:
         python-version: 3.x
-    - run: pip install black[jupyter] flake8 mypy
+    - run: pip install black[jupyter] ruff mypy
     - run: make lint
 
   docs:

Makefile

@@ -1,10 +1,10 @@
 check:
-	python3 -m pytest -s --cov
+	python -m pytest -s --cov
 
 lint:
 	black --check .
-	flake8 --ignore E203,E501,F811 waiter tests
+	ruff .
 	mypy -p waiter
 
 html:
-	PYTHONPATH=$(PWD) python3 -m mkdocs build
+	PYTHONPATH=$(PWD) python -m mkdocs build

pyproject.toml

@@ -21,6 +21,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Topic :: Software Development :: Libraries :: Python Modules",
     "Typing :: Typed",
 ]
@@ -43,6 +44,9 @@ waiter = ["py.typed"]
 line-length = 100
 skip-string-normalization = true
 
+[tool.ruff]
+ignore = ["E501", "F811"]
+
 [[tool.mypy.overrides]]
 module = ["multimethod"]
 ignore_missing_imports = true