From 6a4958382e736956e12b1cfe230fb897c3e63885 Mon Sep 17 00:00:00 2001
From: David Paul Graham <dpgraham4401@gmail.com>
Date: Sat, 14 Mar 2026 08:57:27 -0400
Subject: [PATCH] format with ruff in CI

---
 .github/workflows/lint-and-test.yml | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/.github/workflows/lint-and-test.yml b/.github/workflows/lint-and-test.yml
index 5d9966b..9168af0 100644
--- a/.github/workflows/lint-and-test.yml
+++ b/.github/workflows/lint-and-test.yml
@@ -10,18 +10,20 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install ruff black
+      - uses: actions/checkout@v3
 
-      - name: Lint with Ruff
-        run: |
-          ruff check .
+      - name: "Set up Python"
+        uses: actions/setup-python@v6
 
-      - name: Lint with Black
-        run: |
-          black --check .
+      - name: "install Ruff"
+        uses: astral-sh/ruff-action@v3
+        with:
+          version: ">=0.15,<0.16"
+          # ToDo: use pyrpoject.toml as version-file
+          # version-file: "pyproject.toml"
+
+      - name: "Check formatting"
+        run: ruff format --check --diff
 
   test:
     strategy: